If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
You can reschedule your sleeping pattern by not eating 12-16 hours before you want to be awake. Upon eating after this time period, your internal clock will reset to a new day, with the time of your first meal being interpreted as "morning".
11
A hard working adult sweats up to 4 gallons per day. Most of the sweat evaporates before a person realizes it's there, though!
25
Every day, the average person swallows about a quart of mucous.
5
During menstruation, the sensitivity of a woman's middle finger is reduced.
47
There are 206 bones in the human body!
-17