You inhale about 700,000 of your own skin flakes each day.
29
If you are bitten by a poisonous snake, and fail to receive medical attention, you still have a 50% chance of survival.
28
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Redheads require up to 20% more anesthesia to be knocked out.
112
Your body is creating and killing 15 million red blood cells per second.
50
Fingernails grow nearly 4 times faster than toenails.
31
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
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