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Fascinating Facts about The Human Body - 1


This sub-category of the Medical category is for fascinating facts about The Human Body.

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Baldness
Alopecia is the medical term for baldness (loss of hair from the scalp).

Blood
The boby of an adult has about 5 litres of blood in it.

Blood Groups
There are four blood groups, A, B, AB and O.

Blood Pressure
A healthy person's blood pressure should range from 100-140mm when their heart contracts, and 60-90mm when it relaxes.

Blood Vessels
The total length of the blood vessels in the body an average sized human being is around 100,000 km.

Bones
There are a total of 206 bones in the human body.

Color Blind
Ten times as many men as women are color blind.

Identical Twins
The fingerprints of identical twins are not identical.

Muscles
People become warm when doing exercise as muscles produce heat when they use energy.

Nails
Nails grow at about half a millimeter per week.

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