Your tongue is the only muscle in your body that is attached at only one end.
173
In the average lifetime a person will breath in about 44 pounds of dust.
21
The average human body contains enough iron to make a small nail.
50
Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Bearing a male child can alter a woman's brain by leaving male DNA that can persist for the rest of her life, making her less likely to suffer from Alzheimer's disease, promote tissue repair, and improve her immune system.
16
A sneeze can travel as fast as 100 miles per hour.
43