By weight, Bone is five times stronger than steel.
417
Your heart pumps about 2,000 gallons of blood each day!
53
Every hour one billion cells in the body must be replaced.
17
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
The average person has over 1,460 dreams a year!
69
The human heart creates enough pressure to squirt blood 30 ft.
37
25% of your bones are located in your feet.
12
Some people have a "natural alarm clock" allowing them to wake up when they want. This is actually caused by a burst of the stress hormone adrenocorticotropin.
15