Digestive System Quiz
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Questions and Answers

What is digestion?

  • The breakdown of large insoluble food compounds into small water-soluble components (correct)
  • The absorption of food into the blood plasma
  • The process of chewing food in the mouth
  • The movement of food through the small intestine
  • Where does mechanical digestion take place in the human digestive system?

  • In the esophagus and stomach
  • In the mouth and small intestine (correct)
  • In the small intestine and large intestine
  • In the stomach and large intestine
  • What is the role of enzymes in chemical digestion?

  • To physically break down large pieces of food
  • To absorb nutrients into the blood stream
  • To move food through the digestive system
  • To break down food into small compounds that the body can use (correct)
  • Through which organ does absorption of smaller substances into the blood stream occur in certain organisms?

    <p>Small intestine</p> Signup and view all the answers

    What is the initial step of mechanical digestion in the human digestive system?

    <p>Mastication (chewing)</p> Signup and view all the answers

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