Your heart will pump about 212 million liters in its lifetime.
26
There are more bacteria in your mouth than there are people in the world.
60
The human brain is more active during sleep than during the day.
28
Fingernails grow fastest on the hand you favor.
44
Redheads require up to 20% more anesthesia to be knocked out.
112
Your ears secrete more earwax when you are afraid than when you aren't.
229
The average female will have 3.3 pregnancies in her life.
49
The male fetus is capable of attaining an erection during the last trimester.
75