Digestive system - It helps us digest food., Nervous system - It is like a network that gives messages to all parts of the body. , Circulatory system - It takes nutrients and oxygen to all parts of the body. It moves blood through the heart and around our body., Respiratory system - It helps us breathe. It takes oxygen from the air and expels carbon dioxide., Excretory system - It eliminates waste., Reproductive system - It makes it possible for us to have babies.,

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