Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Most dreams last only 5 to 20 minutes.
79
From the age of thirty, humans gradually begin to shrink in size.
1
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Your body is creating and killing 15 million red blood cells per second.
50
Your heart beats over 100,000 times a day!
54
Brain freeze is caused by the brain sensing the drop of temperature on your palate and increasing blood pressure in an attempt to save you from freezing.
14