If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
22
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
The human sigh acts as a physiological reset button.
23
Human teeth are almost as hard as rocks!
47
About half of all Americans are on a diet on any given day.
29
You can alleviate a tickly throat by scratching your ear.
12
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human heart creates enough pressure to squirt blood 30 ft.
37