36) The size of the heart is
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Answer:
The heart weighs between 7 and 15 ounces and is a little larger than the size of your fist. By the end of a long life, a person's heart may have beat more than 3.5 billion times.
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Explanation:
The heart weighs between 7 and 15 ounces (200 to 425 grams) and is a little larger than the size of your fist. By the end of a long life, a person's heart may have beat (expanded and contracted) more than 3.5 billion times.
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