The average sperm cell swims at 8 inches per hour.
76
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
After age 30, the brain begins to lose about 50,000 neurons per day - shrinking the brain .25% each year.
55
If you are cold you are more likely to be hungry because you use energy to keep warm.
144
Your body is creating and killing about 2.4 million red blood cells per second.
17
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
If you hold farts in during the day, they'll just come out when you sleep.
16