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
20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Cigarette smoke contains 4,800 chemicals, 69 of which cause cancer.
145
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human heart creates enough pressure to squirt blood 30 ft.
37
People that suffer from gum disease are twice as likely to have a stroke or heart attack.
22
Midgets and dwarfs almost always have normal sized children.
54
Flu shots only work about 70% of the time.
18
