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
When you get goosebumps and your hair stands, the hair helps to trap air, making you feel warmer by keeping in your body heat.
46
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
The male fetus is capable of attaining an erection during the last trimester.
75
The tongue is the strongest muscle in the human body.
50
Drinking watermelon juice before a workout helps reduce muscle soreness.
21