The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human brain doesn't stop developing until about 25 years old.
102
You see your nose at all times, your brain just chooses to ignore it.
30
The human body contains over a billion miles of DNA.
147
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
