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People and human anatomy,
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Compare defined human specimens, body parts and physiological scales with clear anatomical measurement points.
Human dimensions vary. These records use named anatomical spans or explicit teaching specimens and are not health standards or population predictions.
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- Diameter, Defined standing height, Defined suited standing height, Defined clothing mass, Height, Length
Within this category's most common primary scale, explore Sperm cell at 50 µm and One-hour cycle at 20 km. These are navigation anchors, not universal category limits.
26 entities in this category, ordered by name.
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26 measured entities
Browse people and human anatomy
70 µm hair70 µmA hair is a slender strand of protein that grows from the skin of humans and other mammals.
Adult carrying a backpack1.75 mAn adult carrying a backpack is a standing person transporting a load on their back using a strapped bag.
Adult in a spacesuit1.9 mAn adult in a spacesuit is a person wearing a pressurised suit and life-support system for survival outside Earth's atmosphere.
Adult in diving gear1.78 mAn adult in diving gear is a person equipped with scuba apparatus for breathing and moving underwater.
Adult in firefighting gear1.78 mAn adult in firefighting gear is a person wearing protective clothing and breathing apparatus for structural firefighting.
Adult winter clothing ensemble6 kgAn adult winter clothing ensemble consists of layered garments such as a coat, insulated trousers, boots, gloves and a hat for protection against cold weather.
Child1.2 mA child is a young human who is still developing physically and socially towards adulthood.
Fingernail1.5 cmA fingernail is the hard, protective covering at the tip of a human finger, composed of keratin.
Hand span20 cmHand span is the distance measured from the tip of the thumb to the tip of the little finger when the hand is fully extended.
Human1.75 mA human is a primate of the species Homo sapiens, distinguished by habitual upright walking, language and complex tool use.
Human arm75 cmThe human arm is the upper limb of the body, extending from the shoulder to the hand and enabling a wide range of movement and manipulation.
Human brain15 cmThe human brain is the organ that processes sensory information and coordinates thought, memory, movement and many body functions.
Human eyeball2.4 cmThe human eyeball is the globe-shaped organ that receives light and begins the process of vision.
Human femur45 cmThe human femur is the thigh bone, connecting the hip to the knee and supporting body weight during movement.
Human heart12 cmA human heart is a muscular organ that pumps blood through the circulatory system.
Human leg1 mThe human leg is the lower limb extending from the hip to the heel, enabling standing and movement.
Human liver28 cmThe human liver is a vital organ in the abdomen that processes nutrients, detoxifies chemicals, and produces bile for digestion.
Human torso60 cmThe human torso is the central part of the body between the shoulders and hips, containing most major internal organs.
Index finger8 cmThe index finger is the second finger of the human hand, located between the thumb and the middle finger.
Newborn baby50 cmA newborn baby is a human infant in the earliest period immediately after birth.
One-hour cycle20 kmA one-hour cycle is the distance covered by cycling at a constant speed for one hour without stopping.One-hour walk5 kmA one-hour walk is the distance a person travels by walking continuously at a steady pace for one hour.
Red-cell circulation time1 minRed-cell circulation time is the typical duration for a red blood cell to complete a full circuit through the human circulatory system at rest.Red-cell lifespan120 daysRed-cell lifespan is the average time a human red blood cell remains in circulation before being removed from the bloodstream.
Sperm cell50 µmA sperm cell is a male reproductive cell with a compact head, energy-producing midpiece and a flagellum used for movement.
Walking step75 cmA walking step is the distance covered by a person in a single step during normal walking.