The average sperm cell swims at 8 inches per hour.
76
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
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