Multiple choice

Which of the following can be excluded from the functions of the stomach?

  1. Storage

  2. Mixing

  3. Physical breakdown of food

  4. Defaecation
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mass movement of feces into the rectum stimulates a defecation reflex that opens the internal anal sphincter. Unless the external and sphincter is voluntarily closed, feces are evacuated through the anus. Defaecation is the main function of large intestine.

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