The cardiovascular, respiratory, and gastrointestinal systems all work together to ensure that cells of the human body are able to carry out vital reactions, including aerobic respiration and protein synthesis. Question. Write a short account to explain how each of these three systems ensures that cells receive the required raw ingredients needed for such cellular reactions and how two of the systems contribute to the removal of the waste products created. Completion Note: (All three systems must be considered, and should include specific detail such as the role of named enzymes in the gastrointestinal tract and named biomolecules transported to and from cells. It is also important to briefly outline why body cells need to carry out aerobic respiration and protein synthesis.)

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