Explain circulation in body from the ingestion of food. Briefly. Please answer the question immediately
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The human circulatory system provides oxygen and nutrients to the cells and tissues, and removes carbon dioxide and waste products.
Oxygen enters the lungs where it passes into the blood stream via the capillaries. It then enters the heart in the form of oxygenated blood that is pumped throughout the body. Carbon dioxide as a waste product of respiration is carried from the tissues back to the lungs where it is excreted.
Food is ingested..
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