The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Your body is creating and killing 15 million red blood cells per second.
50
The tongue is the strongest muscle in the human body.
50
One quarter of the human brain is used to control the eyes.
43
The record for the longest scientifically documented period without sleep is 264.4 hours (eleven days).
15
35,000 people in the U.S. will die from the flu annually.
6
Fingernails grow fastest on the hand you favor.
44
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269