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Did you know?
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
Did you know?
About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
Did you know?
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.