The average sperm cell swims at 8 inches per hour.
76
Every year your body replaces 98% of your atoms.
119
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain has the capacity to store everything that you experience.
4k
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111