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