Multiple Choice
What happens during peristalsis in the digestive system?
A) Fat is emulsified in the small intestine.
B) Rectal sphincters are voluntarily controlled to regulate defecation.
C) Nutrients are transported to the liver through the hepatic portal vein.
D) Smooth muscle contracts to move food along the alimentary canal.
Correct Answer:
Verified
Correct Answer:
Verified
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