Fingernails grow fastest on the hand you favor.
44
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
The tongue is the strongest muscle in the human body.
50
You mostly breathe from only one nostril at a time!
75
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
If your DNA was stretched out it would reach to the moon 6,000 times.
256
When a person dies, hearing is usually the last sense to go.
124