What is the role of the villi in the small intestine?

Practice Questions

Q1
What is the role of the villi in the small intestine?
  1. Increase surface area for absorption
  2. Secrete digestive enzymes
  3. Transport waste
  4. Produce bile

Questions & Step-by-Step Solutions

What is the role of the villi in the small intestine?
  • Step 1: Understand that the small intestine is where most nutrients from food are absorbed.
  • Step 2: Learn that villi are tiny, finger-like projections that line the walls of the small intestine.
  • Step 3: Know that the main job of villi is to increase the surface area of the small intestine.
  • Step 4: Realize that a larger surface area allows more nutrients to be absorbed from the food.
  • Step 5: Conclude that by having more villi, the small intestine can absorb nutrients more efficiently.
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