The largest cell in the human body is the female egg and the smallest is the male sperm.
682
Your heart will pump about 212 million liters in its lifetime.
26
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your body is creating and killing about 2.4 million red blood cells per second.
17
One human hair can support 3 ounces.
191
Poor eyesight (myopia) is associated with higher IQ.
232