Relier Pairs the three vital functionsVersion en ligne tienes que relacionar la definición con sus nombres es muy fácil par José Antonio Fernández Martín 1 the respiratory system 2 the excretory system 3 the digestive system 4 the circulatory system absorb oxygen from the air and releases carbon dioxide breaks down the food we eat into smaller that our body can absorb eliminates the waste that our body can produce transport blood all over the body
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