Biology

Pregnancy in humans lasts how many days?

More Questions from Biology
What is made by white blood cells to help fight off infection?
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The presence of clue cells would most likely be from what?
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What are organisms that make their own food in a food chain called?
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What food group is the largest?
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What do hibernating animals live off during their deep sleep?
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Which of these plants would most likely be found around a pond's edge?
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What kingdom is the elephant in?
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What is most of the oxygen that enters the human body taken in through?
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