Chewing gum boosts your brain power.
285
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Poor eyesight (myopia) is associated with higher IQ.
232
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37
The human heart creates enough pressure to squirt blood 30 ft.
37
The human sigh acts as a physiological reset button.
23
You have no sense of smell when you're sleeping!
72