The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Your heart pumps about 2,000 gallons of blood each day!
53
A person can live without food for about a month, but only about a week without water.
156
From the age of thirty, humans gradually begin to shrink in size.
1
A study in the UK states that men need at least two "guys nights out" each week to stay healthy.
5
Every year your body replaces 98% of your atoms.
119
Your body is creating and killing about 2.4 million red blood cells per second.
17

