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1 vote
Which body system is responsible for breaking down food molecules so that they are small enough to be used by cells?

excretory system

endocrine system

digestive system

circulatory system

2 Answers

4 votes
It is the Digestive system
User Scottfrazer
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5 votes
The answer is Digestive system and Circulatory system.
User Arun Aditya
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