1) What system is this? a) Digestive system b) Muscular system 2) What system is he using? a) Digestive system  b) Locomotor system 3) What system is this picture showing? a) Nervous system b) Circulatory system 4) Is she using the respiratory system? a) Yes, she is. b) No, she isn’t 5) Is this the circulatory system? a) No, it isn’t b) Yes, it is. 6) What system is this picture showing? a) The circulatory system b) The excretory system 7) What does the skin protect? a) It protects our organs b) It protects our blood 8) What does the heart pump? a) water b) blood c) organs

Systems

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恢復自動保存: ?