Your body is creating and killing about 2.4 million red blood cells per second.
17
One human hair can support 3 ounces.
191
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Chewing gum boosts your brain power.
285
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your heart will pump about 212 million liters in its lifetime.
26
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
The average sperm cell swims at 8 inches per hour.
76