The average sperm cell swims at 8 inches per hour.
76
Yawns are more contagious among people with closer relationships.
163
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
Your heart will pump about 212 million liters in its lifetime.
26
The average person's skin weighs twice as much as their brain.
131
One human hair can support 3 ounces.
191
Our Right Lungs takes more air than our left lung.
194