Multiple choice

Which is not a part of the digestive system?

  1. Liver

  2. Heart

  3. Stomach

  4. Mouth
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The heart is part of the circulatory system, not the digestive system. The digestive system includes the mouth, stomach, liver (which produces bile), intestines, and other organs that process food. The heart pumps blood and has no direct role in digestion.

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