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Author Question: Which of the following body chemicals cause the female uterine walls to contract and therefore expel ... (Read 25 times) |
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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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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There are more nerve cells in one human brain than there are stars in the Milky Way.