The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Although African-Americans make up only 13% of the U.S. population, they accounted for one half of the estimated new HIV/AIDS diagnoses in 2004.
70
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
A man once sued his doctor because he survived his cancer longer than the doctor predicted.
74
Every day, the average person swallows about a quart of mucous.
5
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
Human teeth are almost as hard as rocks!
47
According to a 1950s survey, 75% of men ejaculate within two minutes of penetration.
109