Multiple choice

Peristalsis is a series of wave-like muscle contractions that moves food to different processing stations in the digestive tract. It occurs in which part of the digestive tract?

  1. In the large intestine

  2. In the small intestine

  3. In the stomach

  4. In the esophagus

  5. In the mouth
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

After being chewed and swallowed, the food enters the esophagus. It uses rhythmic, wave-like muscle movements (called peristalsis) to force food from the throat into the stomach. This muscle movement gives us the ability to eat or drink even when we are upside-down.

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