Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
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The longest a person has survived after a heart transplant is 24 years.
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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.
ICD-10-CM Tabular List
The formed elements of blood.
Major “identity elements” in some tRNAs
Elements of Culture
The Elements of Cognition
If CP for an ideal gas is 35.4 J/molK, which of the following is CV for this gas?