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Author Question: Toward the 1970s, scientific evidence had accumulated, and which of the following statements is true? (Read 64 times) |
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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.
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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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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 human body produces and destroys 15 million blood cells every second.
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The longest a person has survived after a heart transplant is 24 years.