If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
On average, there's 100 billion neurons in the human brain.
83
If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
12
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Phobatrivaphobia is fear of trivia about phobias.
39
The average female will have 3.3 pregnancies in her life.
49