Human body system functionsVersion en ligne Relate systems and functions of our internal body. par Benjamín Mejías Ibáñez 1 Circulatory System 2 Digestive System 3 Respiratory System 4 Excretory system 5 Nervous system 6 Skeletal and muscular systems This system carries bloodwith oxygen and nutrients all over the body and collects waste substances and carbon dioxide. Circulatory system This system converts food into simpler substances that our body can use. Digestive system This system takes oxygen we need from the air and expels carbon dioxide. Respiratory system This system cleans the blood of substances of waste. Excretory system This system sends the orders to all the organism through nerve impulses Nervous system Composed by bones, muscles and the linking elements. Skeletal and muscular system
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