DIGESTION: Food turns into nutrients after digestion. , Cells use nutrients to obtain energy and raw materials. , It takes place in the digestive system. , RESPIRATION: We take in oxygen from the air. , Oxygen is necessary to get energy from nutrients. , It takes place in the respiratoy system. , EXCRETION: We eliminate waste substances by expelling them outside our body. , It takes place mainly in the urinary system. , CIRCULATION: Blood carries nutrients and oxygen to all the cells in our body. , It takes place in the circulatory system. ,

THE NUTRITION PROCESS

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