What Happens During Peristalsis in the Digestive System

question 73

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.

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