____________ THE HEART BELONG TO THE CIRCULATORY SYSTEM?, DOES, DO, __________THE KIDNEYS BELONG TO THE DIGESTIVE SYSTEM?, DOES, DO, __________THE EXCRETORY SYSTEM HAVE FOUR ORGANS?, DOES, DO, __________THE LUNGS BELONG TO THE RESPIRATORY SYSTEM?, DOES, DO, __________THE MOUTH HELP THE DIGESTIVE SYSTEM?, DOES, DO, __________THE BLOOD VESSELS BELONG TO THE CIRCULATORY SYSTEM?, DOES, DO, __________THE CIRCULATORY SYSTEM HAVE 6 ORGANS?, DOES, DO, __________THE LARGE INTESTINE BELONG TO THE EXCRETORY SYSTEM?, DOES, DO, __________THE DIGESTIVE SYSTEM HAVE EIGHT ORGANS?, DOES, DO, __________THE HEART PUMP BLOOD FOR THE REST OF THE BODY?, DOES, DO

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