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 human sigh acts as a physiological reset button.
23
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
You see your nose at all times, your brain just chooses to ignore it.
30
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain uses approximately as much energy as a 10 watt light bulb.
120