1) What system is responsible of breaking down food ? a) Respiratory system b) Circulatory system c) Nervous system d) Digestive system e) Skeletal system f) Muscular system 2) What organs are part of the digestive system ? a) Brain b) Rectum c) Lungs d) Liver e) Heart f) Stomach 3) How many organs are part of the digestive system? a) 8 b) 12 c) 7 d) 3 e) 9 f) 5 4) How main processes have the digestive system? a) 8 b) 4 c) 15 d) 9 e) 5 f) 7 5) What is the purpose of the digestive system? a) Break down food  b) Control the body c) Produce cells d) Give us our structure e) Take out oxigen of the air f) Circule blood

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