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
All the chemicals in a human body combined are worth about 6.25 euro (if sold separately).
266
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Your body is creating and killing about 2.4 million red blood cells per second.
17
Your thumb is about the same size as your nose.
124
Enamel is hardest substance in the human body.
61
Chewing gum boosts your brain power.
285