On average a woman has 4 sexual partners in her lifetime.
-143
Pain occurs when sounds are above 130 db.
124
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Mushrooms are more closely related to humans than they are to plants.
47
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14