If your DNA was stretched out it would reach to the moon 6,000 times.
256
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
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
Our Right Lungs takes more air than our left lung.
194
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Chewing gum boosts your brain power.
285
Your body is creating and killing about 2.4 million red blood cells per second.
17