Prompt 2 of 7
Name something you can measure about the human body
1750 accepted answers across 5 rarity tiers.
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100 ptsOne in a Krillion1 answerShow answersHide answers
The rarest possible answer — almost no player finds it.
- Two-point discrimination— Your back can't tell two pinpricks apart closer than about 3 cm.
85 ptsDeep Cut1505 answersShow answersHide answers
Genuinely obscure. Most players never think of it.
- 1,25-Dihydroxyvitamin D
- 1,5-Anhydroglucitol
- 1.5-mile run time
- 10K time
- 17-Hydroxyprogesterone
- 2-mile run time
- 2,3-BPG level
- 2K erg time
- 3-mile run time
- 5-HIAA
- 5'-nucleotidase
- 5K time
- Abdominal depth
- Abdominal skinfold
- Academic aptitude
- Acetylcholine level
- Acetylcholine receptor antibodies
- Acid phosphatase
- Acne severity
- Acoustic reflex threshold
- Acromiohumeral distance
- Across back
- ACTH
- Activated clotting time
- Active minutes
- Activities of daily living score
- Adaptive behaviour
- Addis count
- Adenosine
- Adenosine deaminase
- Adenosine diphosphate
- ADHD symptom score
- Adiponectin
- Adversity quotient
- AFib burden
- Afterload
- Aggression
- Agouti-related peptide
- Agreeableness
- Airway resistance
- Airway responsiveness
- Akathisia severity
- Albumin
- Albumin-creatinine ratio
- Albumin-to-globulin ratio
- Alcohol use score
- Aldolase
- Aldosterone
- Aldosterone-to-renin ratio
- Alertness
- Alexithymia
- Alkaline phosphatase
- Alpha-1 acid glycoprotein
- Alpha-1 antitrypsin
- Alpha-2 antiplasmin
- Alpha-fetoprotein
- ALT
- Aluminium level
- Alveolar ventilation
- Alveolar–arterial gradient
- Alveoli count
- Amniotic fluid index
- Amplitude of accommodation
- Amygdala volume
- Amylase
- Anaerobic power
- Anal canal length
- Anal diameter
- Anal sphincter pressure
- ANCA
- Androstenedione
- Anger
- Angiotensin II
- Angiotensin-converting enzyme
- Anhedonia
- Anion gap
- Ankle breadth
- Ankle height
- Ankle jerk reflex
- Ankle mobility
- Ankle-brachial index
- Anogenital distance
- Anterior chamber angle
- Anterior chamber depth
- Anti-CCP
- Anti-DNase B
- Anti-dsDNA
- Anti-GBM
- Anti-histone antibodies
- Anti-Müllerian hormone
- Anti-Ro and anti-La
- Anti-smooth muscle antibodies
- Anti-tTG
- Anti-Xa level
- Anticardiolipin antibodies
- Antimitochondrial antibodies
- Antinuclear antibody
- Antiphospholipid antibodies
- Antisperm antibodies
- Antistreptolysin O titre
- Antithrombin
- Aortic diameter
- Aortic valve area
- Aortic valve gradient
- APACHE II
- Apathy
- Ape index
- Apgar score
- Apnoea-hypopnoea index
- ApoB/ApoA1 ratio
- Apolipoprotein A1
- Apolipoprotein B
- Appendicular lean mass
- Appendix length
- Areola size
- Arm curl reps
- Arm-leg blood pressure gradient
- Armscye
- Arneth count
- Arousal index
- Arsenic level
- Arterial resistivity index
- Arteriovenous oxygen difference
- Asprosin
- Assertiveness
- AST
- AST/ALT ratio
- Asthma control
- Atherosclerotic cardiovascular disease risk
- Atlanto-dental interval
- ATP level
- Atrial natriuretic peptide
- Augmentation index
- Autism traits
- Axilla height
- B cell count
- Back extensor endurance
- Back pain disability
- Back strength
- Ball of foot circumference
- Ball of foot length
- Band neutrophils
- Band size
- Baroreflex sensitivity
- Basal body temperature
- BASDAI
- Base excess
- BASFI
- Basion-dens interval
- Basophil count
- Baux score
- Beep test level
- Beighton score
- Belt size
- Bence Jones protein
- Bench press max
- Bench press reps
- Beta-2 glycoprotein I antibodies
- Beta-2 microglobulin
- Beta-2 transferrin
- Beta-alanine
- Beta-carotene
- Bi-iliac breadth
- Biceps reflex
- Biceps skinfold
- Bile acids
- Bile output
- Biotinidase activity
- Biparietal diameter
- Birth length
- Birth weight
- Bishop score
- Bladder pressure
- Blast count
- Bleeding time
- Blood density
- Blood in urine
- Blood vessel diameter
- Blood vessel length
- Blood viscosity
- BMI percentile
- BNP
- Body adiposity index
- Body buoyancy
- Body cell mass
- Body density
- Body depth
- Body heat production
- Body impedance
- Body radioactivity
- Body roundness index
- Body shape index
- Body surface area
- Body volume
- Body volume index
- BOLD signal
- Bone age
- Bone marrow density
- Bone porosity
- Bone thickness
- Boredom proneness
- Bowel symptom score
- Brachioradialis reflex
- Brain age
- Brain cell count
- Brain glucose metabolism
- Brain tissue density
- Brain-derived neurotrophic factor
- Breast density
- Breast milk fat content
- Breast milk supply
- Breath hydrogen
- Breath ketones
- Breath methane
- Breath odour
- Breathlessness
- Bronchodilator response
- Brown fat activity
- BUN-to-creatinine ratio
- Bunion size
- Burn size
- Burnout
- Bust point distance
- Buttock depth
- Buttock height
- Buttock-knee length
- Buttock-popliteal length
- C-peptide
- C-terminal telopeptide
- C1 esterase inhibitor
- CA 15-3
- CA 19-9
- CA-125
- Cadmium level
- Caffeine dependence
- Caffeine level
- Calcitonin
- Calf skinfold
- Canthal tilt
- Capillary refill time
- Carbamazepine level
- Carbohydrate deficient transferrin
- Carbon dioxide production
- Carboxyhemoglobin
- Cardiac index
- Cardiac output
- Cardiac reserve
- Cardiovascular disease risk
- Carnitine
- Carotid intima-media thickness
- Carrying angle
- Catecholamines
- CD4 count
- CD4/CD8 ratio
- CD8 count
- CEA
- Cell division rate
- Cell size
- Cell viability
- Central blood pressure
- Central venous pressure
- Cephalic index
- Cerebral blood flow
- Cerebral oxygen saturation
- Cerebral perfusion pressure
- Cerebrospinal fluid pressure
- Cerebrospinal fluid volume
- Ceruloplasmin
- Cervical effacement
- Cervical length
- Cervicale height
- Chair stand reps
- Character strengths
- Chest breadth
- Chest depth
- Chest expansion
- Chest height
- Chest skinfold
- Chin arc
- Chin projection
- Chloride
- Cholecystokinin
- Cholesterol ratio
- Choline
- Cholinesterase
- Choroidal thickness
- Chromium
- Chromogranin A
- Chromosome count
- Chromosome length
- Circulating tumour cells
- Circulating tumour DNA
- Circulation time
- CK-MB
- Clavicle length
- Clean and jerk max
- Clean max
- Clitoral index
- Clitoral length
- Closing capacity
- Clot strength
- Cobalt level
- Cobb angle
- Cocaine level
- Coccyx length
- Cochlear duct length
- Codependency
- Coenzyme Q10
- Cognitive failures
- Cognitive flexibility
- Cognitive reflection
- Cold agglutinins
- Collagen level
- Colon length
- Common bile duct diameter
- Compartment pressure
- Complement
- Concussion score
- Cone cell count
- Cone cell size
- Confidence
- Conicity index
- Conscientiousness
- Contrast sensitivity
- Cooper test distance
- Coordination
- Copeptin
- Copper level
- Core strength
- Corneal curvature
- Corneal diameter
- Corneal endothelial cell density
- Corneal hysteresis
- Corneal thickness
- Coronary calcium score
- Coronary perfusion pressure
- Cotinine
- Cough peak flow
- Cranial capacity
- Craniovertebral angle
- Cravings
- Creatine kinase
- Creatinine clearance
- Creatinine height index
- Creativity
- Critical closing pressure
- Critical flicker fusion frequency
- Critical power
- Crown-rump length
- Cryoglobulins
- Crystallized intelligence
- CSF albumin
- CSF amyloid beta
- CSF cell count
- CSF glucose
- CSF IgG index
- CSF lactate
- CSF protein
- CSF/serum albumin ratio
- CSF/serum glucose ratio
- Cup-to-disc ratio
- Curiosity
- Cuticle length
- Cyanide level
- Cycling power
- Cyclosporine level
- CYFRA 21-1
- Cystatin C
- D-dimer
- Dark adaptation
- DCP
- Dead hang time
- Dead space
- Deadlift max
- Decision-making
- Deep sleep
- Defibrillation threshold
- Dementia severity
- Demi-span
- Dental age
- Developmental age
- DHEA-S
- Diadochokinetic rate
- Diagonal conjugate
- Diaphragmatic excursion
- Diffusing capacity
- Digit ratio
- Digoxin level
- Dihydrotestosterone
- Dilute Russell's viper venom time
- Dip count
- Disease activity
- Dissociation
- Dizziness score
- DNA length
- DNA methylation level
- Double support time
- Dream recall
- Drug dependence
- Drug levels
- Dynamic Gait Index
- E/A ratio
- Ear breadth
- Ear canal diameter
- Ear canal length
- Ear protrusion
- Eardrum size
- Earlobe length
- Earlobe width
- Early warning score
- Earwax volume
- Eating disorder symptoms
- Ecarin clotting time
- Eczema severity
- Educational quotient
- Ejaculatory latency
- Ejection fraction
- Elastic recoil
- Elbow breadth
- Elbow height
- Elbow-grip length
- Elbow-to-elbow breadth
- Elbow-to-fingertip length
- Electrochemical skin conductance
- Electrodermal activity
- Emotional maturity
- Emotional reactivity
- Emotional regulation
- Emotional stability
- Empathy
- Enamel thickness
- End-diastolic volume
- End-systolic volume
- End-tidal CO2
- Endometrial thickness
- Eosinophil cationic protein
- Eosinophil count
- Episodic memory
- Erectile function
- Erythema index
- Erythrocyte fragility
- Erythrocyte sedimentation rate
- Erythropoietin
- Esophagus diameter
- Esophagus length
- Estimated fetal weight
- Ethyl glucuronide
- Ethylene glycol level
- Euglobulin lysis time
- Eustachian tube length
- Evoked potential
- Executive function
- Exercise heart rate
- Exhaled carbon monoxide
- Exhaled nitric oxide
- Expiratory reserve volume
- Extracellular water
- Extracellular water ratio
- Extraversion
- Eye alignment
- Eye dryness score
- Eye height
- Eye movement speed
- Eye protrusion
- Eye transverse diameter
- Eyebrow length
- Eyebrow width
- Eyelash count
- Face height
- Face recognition
- Face width
- Facial angle
- Facial index
- Facial symmetry
- Facial width-to-height ratio
- Factor II
- Factor IX
- Factor V
- Factor VII
- Factor VIII
- Factor X
- Factor XI
- Factor XII
- Factor XIII
- Fall risk
- Fallopian tube length
- Fat mass
- Fat mass index
- Fat oxidation rate
- Fat-free mass index
- Fatigue
- Fatigue index
- Fear
- Fecal alpha-1 antitrypsin
- Fecal bile acids
- Fecal calprotectin
- Fecal egg count
- Fecal elastase
- Fecal fat
- Fecal lactoferrin
- Fecal occult blood
- Fecal short-chain fatty acids
- Femoral neck-shaft angle
- Fetal abdominal circumference
- Fetal femur length
- Fetal fibronectin
- Fetal heart rate
- Fetal hemoglobin
- Fetal movement
- Fetal station
- FEV1
- FEV1/FVC ratio
- FEV3
- Fibrin degradation products
- Fibrinogen
- Fibrinopeptide A
- Fibula length
- Filtration fraction
- Finger tapping speed
- Finger width
- Fingertip-to-floor distance
- Fitness age
- Fitness level
- Fitness test score
- Flexed arm hang
- Floors climbed
- Flow-mediated dilation
- Fluid balance
- Fluid intelligence
- Fluoride level
- Focal length
- Fontanelle size
- Foot posture index
- Foot volume
- Foramen magnum diameter
- Forced expiratory flow 25-75%
- Forced expiratory volume in 2 seconds
- Forced inspiratory volume
- Forced vital capacity
- Forehead height
- Foreskin length
- Forgiveness
- Forward grip reach
- FOUR score
- Fractional anisotropy
- Fractional excretion of sodium
- Fractional excretion of urea
- Fractional shortening
- Fracture risk
- Frailty
- Frame size
- Freckle count
- Free fatty acids
- Free hemoglobin
- Free testosterone
- Frenulum length
- Fructosamine
- FSH
- Functional connectivity
- Functional Movement Screen score
- Functional reach
- Functional residual capacity
- Functional threshold power
- Fundal height
- G6PD level
- GABA level
- Galactomannan
- Galactose-1-phosphate uridyltransferase
- Galectin-3
- Gallbladder ejection fraction
- Gallbladder size
- Gallbladder wall thickness
- Gallstone size
- Gambling severity
- Gamma-glutamyltransferase
- Gastric emptying time
- Gastrin
- GDF-15
- Gene expression level
- Gene length
- Genital hiatus
- Genome length
- Gentamicin level
- Gestational age
- GFAP
- Ghrelin
- Gingival index
- GIP
- Glasgow Coma Scale
- Glasses frame size
- Global functioning
- Globulin
- Glove size
- GLP-1
- Glucagon
- Glucose management indicator
- Glutamate
- Glutamine
- Glutathione
- Glycerol
- Glycine
- Glycogen level
- Glycogen phosphorylase isoenzyme BB
- Glypican-3
- Gonadotropin-releasing hormone
- Gonial angle
- Gratitude
- Grief
- Grit
- Ground contact time
- Guilt
- Gum pocket depth
- Gum recession
- Gut microbiome diversity
- Gyrification index
- Hair cortisol
- Hair elasticity
- Hair follicle count
- Hair follicle density
- Hair follicle diameter
- Hair follicle length
- Hair mass
- Hair mineral levels
- Hair porosity
- Haller index
- Hallux valgus angle
- Hamstring flexibility
- Hand circumference
- Hand length
- Haptoglobin
- Hat size
- HE4
- Head breadth
- Head circumference velocity
- Head height
- Head length
- Health anxiety
- Hearing frequency range
- Heart age
- Heart murmur grade
- Heart rate reserve
- Heart rate turbulence
- Heart rhythm
- Heart weight
- Heat tolerance
- Heavy metals
- Heel breadth
- Heel-ankle circumference
- Helmet size
- Hemoglobin A2
- Hemoglobin S
- Heparin-induced thrombocytopenia antibodies
- Hepcidin
- Hip height
- Hip mobility
- Hip width
- Hip-knee-ankle angle
- Hirsutism score
- Homocysteine
- Homovanillic acid
- Honesty-humility
- Hopelessness
- Hostility
- Hot flash frequency
- Human placental lactogen
- Humerus length
- Hunger
- Hunt and Hess scale
- Hypnotizability
- Hysteresivity
- IDL cholesterol
- IgE
- IGF-1
- IGF-2
- IGFBP-3
- Iliac crest height
- Immature granulocytes
- Immature platelet fraction
- Immature reticulocyte fraction
- Impulsivity
- Inhibin A
- Inhibin B
- Injury Severity Score
- INR
- Insensible water loss
- Insomnia severity
- Inspiratory capacity
- Inspiratory flow
- Inspiratory reserve volume
- Instep circumference
- Intercanthal distance
- Interferon-gamma release
- Interleukin-13
- Interleukin-4
- Interleukin-6
- Intermolar width
- Interoception
- Intertoe distance
- Intervertebral disc height
- Intestinal permeability
- Intra-abdominal pressure
- Intracellular water
- Intracranial pressure
- Intrinsic factor antibodies
- Intrinsicoid deflection
- Ionised calcium
- Iris diameter
- Irritability
- Islet autoantibodies
- Isometric strength
- Isovolumic relaxation time
- Itch intensity
- Jacket size
- Jaw width
- Jealousy
- Joint angle
- Joint pain and function
- Joint space width
- Joint stiffness
- Joint swelling
- Jostel's TSH index
- Jugular venous pressure
- Kaolin clotting time
- Keratin level
- Kick force
- Kidney size
- Kidney stone size
- Kids' clothing size
- Kisspeptin
- Knee breadth
- Knee circumference
- Knee flexion angle
- Knee height
- Knee-jerk reflex
- Knuckle height
- Kyphosis angle
- Labial size
- Lactate dehydrogenase
- Lactate threshold
- Lamellar body count
- Lamotrigine level
- Language ability
- Language aptitude
- Lateral femoral epicondyle height
- LDL particle number
- Learning ability
- Lecithin–sphingomyelin ratio
- Left atrial pressure
- Left atrial size
- Left ventricular end-diastolic pressure
- Left ventricular mass
- Leg length discrepancy
- Leg press max
- Leg strength
- Leg tuck count
- Leg-to-body ratio
- Lens thickness
- Leptin
- Leucyl aminopeptidase
- Leukocyte esterase
- Level of consciousness
- Levetiracetam level
- LH
- Ligament length
- Light sleep
- Limb symmetry index
- Limits of stability
- Lip thickness
- Lipase
- Lipoprotein Insulin Resistance Index
- Lipoprotein(a)
- Lithium level
- Liver fat
- Liver size
- Liver stiffness
- Liver weight
- Locus of control
- Loneliness
- Long-term memory
- Loop of Henle length
- Loudness tolerance
- Lp-PLA2
- Ludwig scale
- Lumbar lordosis angle
- Lung age
- Lung clearance index
- Lung compliance
- Lupus anticoagulant
- Lusitropy
- Lymph node size
- Lymphocyte count
- Machiavellianism
- Macro-creatine kinase
- Macrophage count
- Macroprolactin
- Mallampati score
- Mandible length
- Mandibular ramus length
- Manganese
- Mania
- Marathon time
- Mask size
- Maxilla length
- Maxilla width
- Maximal expiratory pressure
- Maximal inspiratory pressure
- Maximal voluntary ventilation
- Maximum heart rate
- Maximum phonation time
- Mean arterial pressure
- Mean corpuscular haemoglobin
- Mean corpuscular haemoglobin concentration
- Mean corpuscular volume
- Mean platelet volume
- Mechanical aptitude
- Melanin index
- Melanocyte-stimulating hormone
- MELD score
- Membrane potential
- Memory span
- Menstrual flow
- Menstrual pain
- Mental age
- Mental fatigue
- Mental health
- Mental orientation
- Mental workload
- Mentzer index
- MET capacity
- Metabolic age
- Metacarpal length
- Metanephrines
- Metatarsal length
- Methaemoglobin
- Methanol level
- Methotrexate level
- Methylmalonic acid
- Mid-arm muscle circumference
- Midaxillary skinfold
- Middle ear pressure
- Mindfulness
- Minimal erythema dose
- Minute ventilation
- Mitochondrial count
- Mitochondrial DNA copy number
- Mitotic index
- Mixed venous oxygen saturation
- Molybdenum
- Monocyte count
- Monocyte distribution width
- Moral reasoning
- Motion sickness susceptibility
- Motivation
- Motor development
- Mouth opening
- Mouth width
- MS disability
- Mu wave
- Multitasking ability
- Muscle activity
- Muscle density
- Muscle fibre type
- Muscle length
- Muscle oxygen saturation
- Muscle thickness
- Muscle-to-fat ratio
- Muscular endurance
- Musical ability
- Myeloperoxidase
- Myocardial contractility
- Myoglobin
- N-terminal telopeptide
- NADH level
- Nail bed length
- Nail density
- Nail strength
- Nail thickness
- Nail weight
- Nail width
- Narcissism
- Nasal airflow
- Nasal bone length
- Nasal index
- Nasolabial angle
- Natural killer cell count
- Nausea score
- Near point of convergence
- Neck length
- Neck strength
- Need for cognition
- Negative affect
- Neonatal abstinence score
- Neonatal pain score
- Neopterin
- Nephron count
- Nerve conduction velocity
- Nerve length
- Neurite length
- Neurofilament light chain
- Neuron count
- Neuron density
- Neuron firing rate
- Neuron-specific enolase
- Neuropeptide Y
- Neutrophil count
- Neutrophil oxidative index
- Neutrophil to lymphocyte ratio
- Newborn breathing score
- Nicotine dependence
- Nicotine level
- Nipple size
- Non-HDL cholesterol
- Nonverbal IQ
- Noradrenaline
- Norwood scale
- Nose protrusion
- Nose width
- Nostril size
- Nuchal translucency
- Nucleated red blood cells
- Number of cells
- Number of limbs
- Number of taste buds
- Numerical ability
- Obestatin
- Obsessive-compulsive symptoms
- Obstetric conjugate
- Occiput-to-wall distance
- Oedema grade
- Oesophageal pH
- Oesophageal pressure
- Oestradiol
- Oestriol
- Oestrone
- Omega-3 index
- Oncotic pressure
- One-rep max
- Openness to experience
- Opioid level
- Optimism
- Orexin level
- Orthostatic vital signs
- Osteocalcin
- Otoacoustic emissions
- Outseam
- Ovarian volume
- Overall hemostatic potential
- Overhead press max
- Overhead reach
- Overjet
- Oxidative stress
- Oxidised LDL
- Oxygen affinity
- Oxygen consumption
- Oxygen content
- Oxygen debt
- Oxygen desaturation index
- P wave
- P wave duration
- Pain catastrophizing
- Pain threshold
- Palm length
- PAMG-1
- Pancreas size
- Pancreas weight
- Pancreatic duct diameter
- Panic severity
- PaO2/FiO2 ratio
- PAPP-A
- Paracetamol level
- Paraprotein
- Parasitemia
- Parathyroid hormone
- Parkinson's severity
- Partial pressure of carbon dioxide
- Partial pressure of oxygen
- Partial thromboplastin time
- Peak flow
- Peak torque
- Pediatric early warning score
- Pelvic floor strength
- Pelvic tilt
- Peptide YY
- Perceived exertion
- Perfectionism
- Performance condition
- Performance status
- Perfusion
- Perfusion index
- Periodic limb movement index
- Personality
- Phase angle
- Phenobarbital level
- Phenylalanine
- Phenytoin level
- Philtrum length
- Philtrum width
- Phosphatidylethanol
- Phospholipids
- Phosphorylated tau
- Physical activity level
- Pignet Index
- Pinch strength
- Pineal gland size
- Pituitary gland size
- Plank time
- Planning ability
- Plantar pressure
- Plaque index
- Plasma cell count
- Plasma viscosity
- Plasma volume
- Plasminogen
- Plasminogen activator inhibitor-1
- Platelet aggregation
- Platelet distribution width
- Plateletcrit
- Pleural fluid protein
- Pleural pressure
- Polygenic risk score
- Ponderal index
- Popliteal height
- Pore density
- Pore size
- Porphobilinogen
- Portal venous pressure
- Post-void residual
- Power-to-weight ratio
- Powerlifting total
- PR interval
- Prealbumin
- Prefrontal cortex volume
- Pregnenolone
- Preload
- Premenstrual symptoms
- Premorbid intelligence
- Pressure ulcer risk
- PRISM score
- Problem-solving ability
- Procalcitonin
- Procrastination
- Proinsulin
- Prolactin
- Proprioception
- Prospective memory
- Prostate size
- Protein C
- Protein expression level
- Protein in urine
- Protein mass
- Protein S
- Prothrombin fragment 1+2
- Prothrombin time
- PSA
- Psoriasis severity
- Psychological distress
- Psychological flexibility
- Psychopathy
- Psychotic symptoms
- PTH-related peptide
- PTSD symptoms
- Pull-up count
- Pulmonary artery pressure
- Pulmonary capillary wedge pressure
- Pulmonary vascular resistance
- Pulsatility index
- Pulse deficit
- Pulse pressure
- Pulse strength
- Pulse transit time
- Pulse wave velocity
- Punch force
- Pupil reaction
- Push count
- Push-up count
- PVC burden
- Pyruvate
- Pyruvate kinase activity
- Q angle
- QRS axis
- QRS duration
- QT interval
- QT interval variability
- Quality of life
- Radius length
- Rapid shallow breathing index
- Rate of force development
- Rate pressure product
- Reactive strength index
- Readiness score
- Reading age
- Reading speed
- Rectal diameter
- Rectum length
- Red cell distribution width
- Red cell mass
- Reflex latency
- Refractive index
- Refractory period
- Regurgitant fraction
- Relative Atrial Index
- Relative fat mass
- Relative strength
- Relaxin
- Remnant cholesterol
- Renal blood flow
- Renin
- Reptilase time
- Residual volume
- Resilience
- Resistin
- Respiratory exchange ratio
- Respiratory quotient
- Restlessness
- Reticulocyte count
- Reticulocyte haemoglobin
- Reticulocyte production index
- Retinal thickness
- Reverse T3
- Rheumatoid factor
- Rib length
- Right ventricular systolic pressure
- Rise (crotch length)
- Risk tolerance
- Rod cell count
- RR interval
- Rumination
- Running economy
- Running Index
- Running power
- RV/TLC ratio
- S100
- Sagittal abdominal diameter
- Sagittal arc
- Salicylate level
- Saliva buffering capacity
- Saliva pH
- Saliva viscosity
- Salivary amylase
- Salivary glucose
- Salivary IgA
- SAPS II
- Sarcomere length
- Schistocyte count
- School readiness
- Scrotal size
- Sebum level
- Secretin
- Sedation level
- Sedentary time
- Segmental blood pressure
- Selective attention
- Selenium
- Self-consciousness
- Self-control
- Self-efficacy
- Self-esteem
- Semen leukocytes
- Semen liquefaction time
- Semen pH
- Semen viscosity
- Seminal fructose
- Sensation seeking
- Sense of direction
- Sense of humour
- Sensory processing
- Serum amyloid A
- Serum free light chains
- Serum osmolality
- Serum-ascites albumin gradient
- Severity of Alopecia Tool score
- Sexual function
- SHBG
- Shock index
- Short Physical Performance Battery
- Short-term memory
- Shoulder circumference
- Shoulder flexibility
- Shoulder height
- Shoulder length
- Shoulder-to-hip ratio
- Shoulder-to-waist ratio
- Shunt fraction
- Shuttle run time
- Sirolimus level
- Sit bone width
- Sit-up count
- Sitting height
- Sitting height ratio
- Six-minute walk distance
- Skelic index
- Skin autofluorescence
- Skin carotenoid score
- Skin density
- Skin emissivity
- Skin hydration
- Skin mass
- Skin pH
- Skin prick test wheal size
- Skin roughness
- Skin temperature
- Skin thickness
- Skinfold thickness
- Skirt size
- Skull thickness
- Sleep consistency
- Sleep debt
- Sleep efficiency
- Sleep latency
- Sleepiness
- Sleeve length
- Small dense LDL
- Small intestine length
- Snatch max
- Snoring
- Social anxiety
- Social desirability
- Social intelligence
- Sociosexuality
- Sock size
- SOFA score
- Soluble transferrin receptor
- Somatic symptoms
- Somatostatin
- Somatotype
- Spatial ability
- Spatial memory
- Speech and language development
- Speech discrimination score
- Sperm agglutination
- Sperm DNA fragmentation
- Sperm morphology
- Sperm motility
- Sperm vitality
- Spinal cord length
- Spinal mobility
- Spine length
- Spirituality
- Spleen size
- Sprint-drag-carry time
- Sputum eosinophils
- Sputum volume
- Squamous cell carcinoma antigen
- Squat max
- ST segment
- ST2
- Stair climb time
- Stand hours
- Standing reach
- Stapes length
- Stem cell count
- Step test score
- Sternum length
- Stomach capacity
- Stool consistency
- Stool osmotic gap
- Stool pH
- Stool reducing substances
- Stool weight
- Strain
- Stroke rate
- Stroke risk
- Stroke severity
- Stroke volume
- Stroke volume index
- Stuttering severity
- Subcutaneous fat
- Subjective visual vertical
- Subscapular skinfold
- Suggestibility
- Suicide risk
- Sulfhaemoglobin
- Sum activity of peripheral deiodinases
- Suprailiac skinfold
- Supraspinale skinfold
- Suprasternale height
- Swallowing function
- Sweat chloride
- Sweat lactate
- Sweat sodium
- Swim pace
- Swimsuit size
- Swing speed
- SWOLF
- Symptom burden
- Synapse count
- Synovial fluid white cell count
- Systemic vascular resistance
- T wave
- T3
- T4
- Tacrolimus level
- Tanner stage
- Taurine
- Tear film break-up time
- Tear osmolarity
- Telomere length
- Temperament
- Tendon length
- Tendon reflex
- Tendon stiffness
- Tendon strength
- Tenth rib height
- Testicular circumference
- Testicular diameter
- Testicular length
- Thalamus volume
- Thallium level
- Theophylline level
- Theory of mind
- Thermal amplitude
- Thermal sensation threshold
- Thermic effect of food
- Thigh clearance
- Thigh skinfold
- Thirst
- Three-cone drill
- Thrombin time
- Thrombopoietin
- Throwing distance
- Throwing velocity
- Thumb length
- Thumb-tip reach
- Thymidine kinase
- Thyroglobulin
- Thyroid antibodies
- Thyroid Feedback Quantile-based Index
- Thyroid hormone binding ratio
- Thyroid secretory capacity (SPINA-GT)
- Thyroid size
- Thyromental distance
- Thyrotroph Thyroid Hormone Sensitivity Index
- Thyroxine-binding globulin
- Tibial height
- Tibial torsion angle
- Tic severity
- Tidal volume
- Tights size
- Timed Up and Go
- Tinetti score
- Tinnitus severity
- TMAO
- Toe circumference
- Toe pressure
- Toe width
- Toe-brachial index
- Tongue strength
- Tonsil size
- Tooth density
- Tooth hardness
- Tooth inclination
- Tooth length
- Tooth mobility
- Tooth shade
- Tooth wear
- Tooth width
- Total body potassium
- Total iron-binding capacity
- Touch sensitivity
- Trabecular bone score
- Trachea length
- Training effect
- Training load
- Transcutaneous oxygen (TcPO2)
- Transepidermal water loss
- Transferrin
- Transferrin saturation
- Transpulmonary pressure
- Tremor
- Triceps skinfold
- Tricyclic antidepressant level
- Troponin
- True conjugate
- Trunk lift
- Trust propensity
- Trypsinogen
- Tryptase
- Tryptophan
- TSH receptor antibodies
- Tuberculin reaction
- Tumour M2-PK
- Tumour mutational burden
- Tumour necrosis factor
- Two-minute step test
- Typing speed
- Tyrosine
- Ulna length
- Ulnar variance
- Ultraweak photon emission
- Umbilical cord length
- Umbilical depth
- Umbilical width
- Underwear size
- Upper arm length
- Ureter length
- Urethra length
- Urethral diameter
- Urinary casts
- Urinary iodine
- Urinary symptoms
- Urination frequency
- Urine 17-ketosteroids
- Urine aldosterone
- Urine amino acids
- Urine anion gap
- Urine bacteria
- Urine beta-2 microglobulin
- Urine bilirubin
- Urine calcium
- Urine chloride
- Urine citrate
- Urine clarity
- Urine copper
- Urine cortisol
- Urine creatinine
- Urine crystals
- Urine cystine
- Urine eosinophils
- Urine epithelial cells
- Urine flow rate
- Urine glucose
- Urine glucose-creatinine ratio
- Urine leukocytes
- Urine magnesium
- Urine myoglobin
- Urine nitrites
- Urine osmolality
- Urine oxalate
- Urine pH
- Urine phosphate
- Urine potassium
- Urine protein/creatinine ratio
- Urine sodium
- Urine specific gravity
- Urine urea nitrogen
- Urine uric acid
- Urine viscosity
- Urobilinogen
- Uterine contractions
- Uterine size
- Uvula length
- Vaginal pH
- Valproate level
- Vancomycin level
- Vanillylmandelic acid
- Vas deferens length
- Vascular load
- Vascular resistance
- Vasoactive intestinal peptide
- Vasopressin
- Venous return
- Ventilation/perfusion ratio
- Ventilatory equivalent for oxygen
- Ventilatory threshold
- Ventricular dimensions
- Verbal fluency
- Verbal IQ
- Verbal memory
- Vertical dimension of occlusion
- Vertical oscillation
- Vertical trunk circumference
- Vestibulo-ocular reflex gain
- Vibration sense
- Viral load
- Visfatin
- Visual field
- Visual memory
- Visual perception
- Vital statistics
- VLDL cholesterol
- Vocabulary
- Vocal cord length
- Vocal tract length
- Voice loudness
- Volume of distribution
- Von Willebrand factor
- Vulval size
- Waist back length
- Waist breadth
- Waist depth
- Waist front length
- Waist height
- Waist-to-chest ratio
- Waist-to-height ratio
- Wake after sleep onset
- Walking asymmetry
- Walking heart rate
- Walking steadiness
- Wall sit time
- Weight velocity
- Weight-for-length
- Wells score
- Wetsuit size
- White blood cell differential
- Whole blood clotting time
- Wilks score
- Wisdom
- Work of breathing
- Worry
- Wrist breadth
- Wrist height
- X-seam
- Xanthochromia
- Y-balance test score
- Zinc protoporphyrin
60 ptsRare209 answersShow answersHide answers
Uncommon — only a minority of players land here.
- 40-yard dash time
- Active B12
- Adrenaline
- Agility
- Ammonia
- Ankle circumference
- Antibody levels
- Antral follicle count
- Anxiety level
- Arch height
- Arm circumference
- Attention span
- Axial length
- Balance
- Basal metabolic rate
- Bilirubin
- Biological age
- Biotin
- Bite force
- Bladder capacity
- Blink rate
- Blood flow
- Blood lead level
- Blood loss
- Blood pH
- Blood volume
- Body composition
- Bone length
- Bone mass
- Bowel movement frequency
- Bra size
- Brain activity
- Brain size
- Breath-holding time
- C-reactive protein
- Cadence
- Calcium
- Calf size
- Calories burned
- Cervical dilation
- Chest size
- Chronotype
- Clothing size
- CO2 level
- Cognitive function
- Color vision
- Cortisol
- Creatinine
- Cup size
- Depression score
- Depth perception
- Distance walked
- DMFT index
- Dopamine
- Dress size
- Ear length
- Endorphins
- Endurance
- Energy level
- EQ
- Eyelash length
- Ferritin
- Finger length
- Flexibility
- Folate
- Foot width
- Forearm circumference
- Forearm length
- Glomerular filtration rate
- Grip strength
- Growth hormone
- Growth velocity
- Gut transit time
- Hair density
- Hair growth rate
- Hair length
- Hair loss
- Hair thickness
- Hand breadth
- Hand span
- Happiness
- HbA1c
- hCG
- HDL
- Head circumference
- Hearing
- Heart rate recovery
- Heart rate variability
- Heart size
- Height percentile
- Hematocrit
- Hemoglobin
- Histamine
- Hormone levels
- Hydration
- Inseam
- Insulin
- Insulin resistance
- Intestine length
- Intraocular pressure
- Iodine
- Ketones
- Kidney function
- Lactate
- LDL
- Lean body mass
- Leg length
- Libido
- Liver function
- Lower leg length
- Magnesium
- Manual dexterity
- Melatonin
- Memory
- Menstrual cycle length
- Mercury level
- Mile time
- Mole count
- Mood
- Muscle tone
- Nail growth rate
- Nail length
- Neck size
- Nose length
- Number of bones
- Number of fingers
- Number of teeth
- Number of toes
- Oestrogen
- Ovulation
- Oxytocin
- Pain level
- Pain tolerance
- Palpebral fissure length
- Pants size
- Phosphate
- Platelet count
- Posture
- Potassium
- Power output
- Processing speed
- Progesterone
- Pupil size
- Pupillary distance
- Range of motion
- Reaction time
- Red blood cell count
- Reflex
- Refractive error
- REM sleep
- Resting heart rate
- Ring size
- Running speed
- Salivary flow rate
- Semen volume
- Sense of smell
- Sense of taste
- Serotonin
- Shirt size
- Shoulder width
- Skin elasticity
- Sleep duration
- Sleep quality
- Sleep stages
- Sperm count
- Sprint speed
- Standing long jump
- Step count
- Stomach acid level
- Strength
- Stress level
- Stride length
- Sweat rate
- Tear production
- Testicular volume
- Testosterone
- THC level
- Thigh length
- Thigh size
- Toe length
- Tongue length
- Torso length
- Total protein
- Triglycerides
- TSH
- Tumour size
- Underbust
- Urea
- Uric acid
- Urine colour
- Urine output
- Vaginal size
- Visceral fat
- Vitamin B1
- Vitamin B2
- Vitamin B3
- Vitamin B5
- Vitamin B6
- Vitamin D
- VO2 max
- Vocal range
- Voice pitch
- Waist-to-hip ratio
- Walking speed
- Weight percentile
- White blood cell count
- Working memory
- Wrist size
- Zinc
30 ptsSchooler30 answersShow answersHide answers
A solid, middling pick shared with plenty of other players.
- Age
- Arm length
- Arm span
- Blood alcohol
- Blood sugar
- BMI
- Body fat
- Bone density
- Bust size
- Cholesterol
- Eyesight
- Hand size
- Hip size
- IQ
- Iron
- Lung capacity
- Muscle mass
- Oxygen saturation
- Penis size
- Respiratory rate
- Shoe size
- Sodium
- Vertical jump
- Vitamin A
- Vitamin B12
- Vitamin C
- Vitamin E
- Vitamin K
- Vitamin levels
- Waist size
10 ptsPlankton5 answersShow answersHide answers
The most common answer on the board.
- Blood pressure
- Body temperature
- Heart rate
- Height
- Weight