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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.

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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

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Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

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