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What is the difference between a closed and an open circulatory system? a. an open system has capillaries and blood vessels c. a closed system lacks capillaries b. a closed system has capillaries and blood vessels d. in a closed system blood bathes the tissues directly
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Biology, 22.06.2019 08:40, miguelalvarado3968
What substance acts to prevent sudden ph changes in bodily fluids?
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What is the difference between a closed and an open circulatory system? a. an open system has capill...
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