Why do animals need digestive systems?to break down food and obtain the nutrients and the energy it containsto allow animals to feel sensationsto circulate the bloodto help blood cells carry oxygento allow

Why do animals need digestive systems?to break down food and obtain the nutrients and the energy it containsto allow animals to feel sensationsto circulate the bloodto help blood cells carry oxygento allow animals to rapidly move

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Why do animals need digestive systems?to break down food and obtain the nutrients and the energy it containsto allow animals to feel sensationsto circulate the bloodto help bloo…

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