Compléter Nutrition function.Version en ligne Complete the texts with the words about nutrition processes. par Laura Riesco 1 waste Respiration energy oxygen happens when cells get from the air to obtain and releases carbon dioxide from the body as . 2 nutrients changed Digestion is when food is into the that cells need . 3 cells waste nutrients oxygen Circulation consists on moving and to the body's , as well as collecting substances produced by cell activity . 4 Excretion substances blood body cells consists on cleaning the by filtering the waste produced by the and expelling them from the .
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