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Fill in the blanks:1. A group of organs together make up an _______ system. 2. The part of the skeleton that protects the brain is _______ 3. The process by which the body removes waste is _______ 4. The _______ is the largest sense organ in our body. 5. The endocrine glands produce chemical substances called _______ |
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Answer» 1. organ 2. skull 3. Excretion 4. skin 5. hormones |
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