The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Nearly 80 percent of all sudden cardiac arrests happen at home.
7
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
The average person who stops smoking requires one hour less sleep a night.
79
In the average lifetime a person will breath in about 44 pounds of dust.
21
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
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

