Question 1
Question 2
Ask unlimited questions for free
The human body produces and destroys 15 million blood cells every second.
Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.
Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.
If you could remove all of your skin, it would weigh up to 5 pounds.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
For a complete list of videos, visit our video library