Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
In one day, adult lungs move about 10,000 litres of air.
11
Mushrooms are more closely related to humans than they are to plants.
47
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Poor eyesight (myopia) is associated with higher IQ.
232