how did the stomach muscles work during digestion?
A.they contract and relax
B.they contract and pump blood
C.they contract to receive oxygen
D.they contract to release oxygen
please I really need it
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how did the stomach muscles work during digestion?
A.they contract and relax
B.they contract and pump blood
C.they contract to receive oxygen
D.they contract to release oxygen
please I really need it
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Answer:
C.they contract to received