Digestive System: Small Intestine
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Questions and Answers

What is the initial role of the small intestine in digestion?

  • To transport food directly to the body's cells
  • To absorb nutrients from food into the bloodstream
  • To completely digest food after it leaves the stomach
  • To break down food further using digestive juices (correct)
  • What do the villi in the small intestine primarily do?

  • Increase the surface area for nutrient absorption (correct)
  • Transport food into the stomach
  • Secrete digestive enzymes into the food
  • Produce bile for fat digestion
  • How do nutrients from the food enter the bloodstream?

  • By passing through the villi in the small intestine (correct)
  • Through the stomach lining
  • Via the digestive enzymes present in the bile
  • Through the pancreatic juices in the intestine
  • What is the structure of the small intestine?

    <p>A long, twisting tube</p> Signup and view all the answers

    What becomes of the nutrients after they are absorbed through the villi?

    <p>They enter the bloodstream to nourish the body's cells</p> Signup and view all the answers

    Study Notes

    Small Intestine

    • Food travels from the stomach to the small intestine in small amounts.
    • The small intestine is a long and winding tube.
    • Special juices within the small intestine continue the process of breaking down food.
    • The small intestine is covered with thousands of tiny finger-like projections called villi, which increase the surface area for absorption of nutrients.
    • Nutrients are absorbed from the food by the villi and enter the bloodstream.
    • The nutrients are then carried throughout the body to cells.

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    Description

    Explore the fascinating role of the small intestine in digestion! This quiz covers how food moves from the stomach, the function of juices, and the importance of villi in nutrient absorption. Test your knowledge on how these processes contribute to your body's overall health.

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