The largest cell in the human body is the female egg and the smallest is the male sperm.
682
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Pain occurs when sounds are above 130 db.
123
On average, there's 100 billion neurons in the human brain.
83
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
It takes about 20 seconds for a red blood cell to circle the whole body.
102
