Which one of the following parts of human alimentary canal can be of maximum length ?

  1. A. Stomach
  2. B. Small intestine
  3. C. Large intestine
  4. D. Rectum

Correct Answer: B. Small intestine

Explanation

The small intestine is the longest part of the human alimentary canal, measuring about 6 to 7 meters in adults to maximize surface area for digestion and absorption.

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