More germs are transferred
shaking hands than kissing.
The aorta, the largest artery in the body, is almost the diameter of
a garden hose.
Capillaries are so small that it takes ten of them to equal the
thickness of a human hair.
Your body has about 6 quarts (5.6 Liters) of blood. It circulates
through the body three times every minute.
The heart pumps about 1 million barrels of blood during an average
lifetime.
The human body can function without a brain (although not long).
Humans are the only primates that do not have pigment in the palms
of their hands
A mans testicles manufacture 10 million new sperm cells each day,
enough to repopulate the entire planet in 6 months.
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