It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your hair grows faster in the morning than at any other time of day.
91
Research indicates that babies who suck on pacifiers are more prone to ear aches.
21
Your heart will pump about 212 million liters in its lifetime.
26
Human thigh bones are stronger than concrete!
63
Pain travels through the body at 350 feet per second!
23
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
Gardening is said to be one of the best exercises for maintaining healthy bones.
40