Biology

How many chambers make up the human heart?

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Which of following words means "to die"?
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What substance, found in food, helps move wastes through the body?
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What carries the code for making proteins from the nucleus to the cytoplasm?
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What is the common cold caused by?
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What is group of cells that work together and form an organ called?
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Which of the following common foods originated in the tropics?
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What do hibernating animals live off during their deep sleep?
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What type of plant is a carrot?
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