When you take a step, you are using up to 200 muscles.
886
The lense of the eye continues to grow throughout a person's life.
34
Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Obsessive nose picking is called Rhinotillexomania.
101
Your heart beats over 100,000 times a day!
54
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The aorta, the largest artery in the body, is almost the diameter of a garden hose.
37