This is the first of a new series of lists of fascinating facts that have no real value outside of making yourself feel smarter. Your body does some pretty amazing things, some of which may surprise you.

1. Your right lung takes in more air than your left.

2. An average brain weighs 3 pounds.

3. Women, on average, live longer than men.

4. Your nose and ears never stop growing.

5. You use 200 different muscles every time you take a step.

6. You produce more earwax when you are scared.

7. Women have a better sense of smell than men.

8. Your eyes never grow after you are born.

9. Tastes buds only last up to 10 days.

10. Your fingernails and hair continue to grow even after you die.