Multiple Choice
Heartburn occurs when
A) the heart responds painfully to chemical changes due to diet.
B) bacteria cause the stomach lining to ulcerate.
C) the glottis fails to prevent food from entering the trachea.
D) some of the stomach contents escape back into the lower esophagus.
E) the bile duct is blocked.
Correct Answer:

Verified
Correct Answer:
Verified
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