Question

4. If a person suffered from chronic heartburn and acid reflux, what muscle/sphincter might not be functioning properly? (15 points)​

Answer 1

the esophageal sphincter

Step-by-step explanation:

This muscle opens and lets food and liquid enter the stomach and closes to prevent the food and liquid from leaking back into the esophagus, however if it is not working properly it could open and close at the wrong times