Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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