Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Your body is creating and killing about 2.4 million red blood cells per second.
17
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.
144
Your heart will pump about 212 million liters in its lifetime.
26
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The human brain uses approximately as much energy as a 10 watt light bulb.
120
