When you take a step, you are using up to 200 muscles.
886
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
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
The average person's skin weighs twice as much as their brain.
131
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Yawns are more contagious among people with closer relationships.
163