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Questions and Answers
What are the smallest arteries called?
Which vessels collect blood from capillaries (or from sinusoids)?
What do blood vessels deliver to the cells of the body?
What lines the inner surfaces of the heart and all blood vessels?
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In what situations are capillaries replaced by slightly different vessels?
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What do arterioles open into?
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What are the slightly different vessels that can replace capillaries?
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How are the inner surfaces of the heart and blood vessels lined?
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What do veins do?
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What substances are exchanged between the blood and the tissues through the walls of capillaries?
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