A person can live without food for about a month, but only about a week without water.
156
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
If you are cold you are more likely to be hungry because you use energy to keep warm.
143
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12