One human hair can support 3 ounces.
191
The human brain doesn't stop developing until about 25 years old.
102
The human brain has the capacity to store everything that you experience.
4k
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
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The human body contains over a billion miles of DNA.
147
Your body is creating and killing about 2.4 million red blood cells per second.
17