Body Systems Quiz for KidsOnline version Test your knowledge about the human body. by woro handayani 1 Lungs take in oxygen and release carbon dioxide. Yes No 2 Red blood cells stay in the heart. Yes No 3 The skin is the only organ in the body. Yes No 4 The stomach stores bile. Yes No 5 The brain is made of bones. Yes No 6 The brain acts as the control center of the nervous system. Yes No 7 The liver is the only organ involved in digestion. Yes No 8 The stomach helps digest food. Yes No 9 The heart pumps blood through the body. Yes No 10 Bones support the body and protect organs. Yes No
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