It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Your heart will pump about 212 million liters in its lifetime.
26
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
A person can live without food for about a month, but only about a week without water.
156
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118