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
Your body is creating and killing 15 million red blood cells per second!
14
During a typical human life span, the human heart will beat approximately 2.5 billion times.
21
You're born with 300 bones, but when you get to be an adult, you only have 206!
17
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
The average person's skin weighs twice as much as their brain.
131
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50
Your body is creating and killing 15 million red blood cells per second.
50