Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human sigh acts as a physiological reset button.
23
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
A human being loses an average of 40 to 100 strands of hair a day.
133
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
