If you were to roll a lung from a human body and out flat it would be the size of a tennis court.
36
More people use blue toothbrushes, than red ones!
66
Human teeth are almost as hard as rocks!
47
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
According to a study conducted by the University of South Carolina, Marijuana can be used to reduce inflammation and treat autoimmune diseases such as arthritis, lupus, colitis, and multiple sclerosis.
25
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
Redheads require up to 20% more anesthesia to be knocked out.
112