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Questions and Answers
What are the main roles of the circulatory system?
Where does the blood carry carbon dioxide to?
What causes the sound of heartbeats?
What is the heart considered as?
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Where does the blood gather food nutrients from?
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What does the circulatory system in vertebrates consist of?
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What are the two divisions of the circulatory system?
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What does the closed circulatory system in vertebrates mean?
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What type of circulatory system do some invertebrates such as arthropods have?
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What are the great vessels of the heart in the circulatory system?
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