Your heart pumps about 2,000 gallons of blood each day!
53
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
Men have larger hearts; women's hearts beat faster.
77
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
A man's beard grows fastest when he anticipates sex.
239
You mostly breathe from only one nostril at a time!
75
On average, there's 100 billion neurons in the human brain.
83