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| The circulatory Nutrients and other essential materials pass from capillary blood into fluids surrounding the cells as waste products are removed. | |
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| Also A couple of control mechanisms help regulate the diverse functions and component parts of the cardiovascular system in order to supply blood to specific body parts according to need. | |
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| These mechanisms ensure a constant internal environment surrounding each body cell regardless of differing demands for nutrients or production of waste products. | |
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| What about respiratory system. | |
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| Homeostasis is maintained by the respiratory system in two ways: gas exchange and regulation of blood pH. | |
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| Gas exchange is performed by the lungs by eliminating carbon dioxide (CO2), a waste product given off by cellular respiration. | |
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