What is the relationship between the digestive system and respiration?
O The digestive system takes in the oxygen needed for respiration in the body.
O The digestive system throws the waste materials of respiration out of the body.
O The digestive system delivers oxygen and food to the cells to be used in respiration.
O The digestive system breaks food down into the molecules that can be used in respiration
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What is the relationship between the digestive system and respiration?
O The digestive system take...
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