Biology

What body system is the human heart part of?

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How many bones are in each finger, except the thumb, of a human hand?
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What insect transmits the disease sleeping sickness?
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What animal builds lodges, dams up rivers and has large front teeth for gnawing?
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Which of the following does NOT grow on a tree?
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Which of these plants captures insects to get necessary nutrients?
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Which animal was mistaken for the source of the bubonic plague?
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What does the sea urchin use to help protect itself?
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What kind of stem would an oak tree have?
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