Biology, 27.04.2021 04:30 jamiahfernandes14
What part of the digestive system first causes chemical changes to food?
A. teeth in the mouth
B. saliva in the mouth
C. enzymes in the stomach
D. enzymes in the small intestine
Answers: 3
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What part of the digestive system first causes chemical changes to food?
A. teeth in the mouth
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