Multiple Choice
In the digestive system, "peristalsis" is ________.
A) a process of fat emulsification in the small intestine
B) voluntary control of the rectal sphincters regulating defecation
C) the transport of nutrients to the liver through the hepatic portal vessel
D) smooth muscle contractions that move food along the oesophagus
Correct Answer:

Verified
Correct Answer:
Verified
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