Your tongue is the only muscle in your body that is attached at only one end.
173
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
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
Redheads require more anesthesia to 'go under' than other hair colors do.
51
The smallest human penis ever recorded was just 5/8 of an inch long!
77
There is a disease called ichthyosis that turns the skin scaly like a fish.
90
Human teeth are almost as hard as rocks!
47