Answer:
The stomach secretes acid and enzymes that digest food. Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion. The pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.
Explanation:
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but points in the book and the other two are not the same as the other one
Answer:
arrhythmia ....... HOPE THIS HELPS
I THINK ITS (FALSE) BC ALL PEOPLE ARE NOT THEM SAME.