Multiple Choice
The lower esophageal sphincter relaxes:
A) as part of the swallowing reflex
B) as soon as swallowed food has reached the stomach
C) most of the time while the stomach is contracting
D) whenever swallowing is not taking place
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q162: The surface area of the small intestine
Q163: The pyloric sphincter prevents backup of chyme
Q164: The effector of the defecation reflex is
Q165: The part of a tooth that anchors
Q166: The part of the colon into which
Q168: The _ salivary glands are located at
Q169: When the blood glucose level is high,
Q170: The salivary glands located at the posterior
Q171: The liver removes bilirubin from the blood
Q172: Which of these is NOT considered an