Question

What is the length of small intestine in an adult human being?

• A. 3.5 m
• B. 6.5 m
• C. 4.5 m
• D. 2.5 m

Answer 1

Answer: (B)

6.5 m

The small intestine is the largest part of the alimentary canal in humans. In an adult human, the small intestine is approximate $6.5$ metres long. It helps in the digestion and assimilation of food. Longer intestine provides larger surface area for absorption and assimilation.

So, the correct answer is option B.