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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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
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Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.
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There are more sensory neurons in the tongue than in any other part of the body.
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There are 60,000 miles of blood vessels in every adult human.
Summary of events in a typical humoral immune response.
A typical spectrum with peaks representing the peptide fragments generated from a sample