The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
The average person's skin weighs twice as much as their brain.
131
Music has the ability to repair brain damage and return lost memories.
62
If your stomach didn't produce a new layer of mucous every two weeks, it would digest itself.
33
Every cigarette smoked cuts at least five minutes of life on average, which is roughly the time it takes to smoke one cigarette.
118
Men have larger hearts; women's hearts beat faster.
77
Your tongue is the only muscle in your body that is attached at only one end.
173
The pupil of the eye expands as much as 45 percent when a person looks at something pleasing.
130