Question

The small intestine is designed for the digestion and absorption of nutrients, Which of the following greatly enhances the process?

• A. Small diameter of the small intestine
• B. Hormones produced that inhibit the activity of the stomach
• C. Arrangement of the intestine within the abdominal cavity
• D. Large surface area provided by the circular folds, villi, and microvilli

Answer 1

The correct option is D Large surface area provided by the circular folds, villi, and microvilli

• The inner lining of the small intestine has numerous villi and microvilli and also circular folds which increase the surface area for absorption.
  
• The villi are richly supplied with blood vessels which take the absorbed food to each and every cell of the body. Hence, The small intestine is designed for the digestion and absorption of nutrients, Which of the following greatly enhances the process large surface area provided by the circular folds, villi, and microvilli.

So, the correct answer is 'Large surface area provided by the circular folds, villi, and microvilli'.