Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
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
Your body is creating and killing about 2.4 million red blood cells per second.
17
Chewing gum boosts your brain power.
285
One human hair can support 3 ounces.
191
The human brain uses approximately as much energy as a 10 watt light bulb.
120
The human brain doesn't stop developing until about 25 years old.
102