Types of Digestive Systems
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Questions and Answers

Which type of digestion occurs in the gastrovascular cavity in flatworms?

  • Extracellular digestion (correct)
  • Both intracellular and extracellular digestion
  • Intracellular digestion
  • No digestion

    • What is the term for food that has passed through the esophagus?

  • Nutrient
  • Chyme
  • Bolus (correct)
  • Meal

    • Where are most proteins broken down in the human digestive system?

  • Large intestine
  • Mouth
  • Stomach (correct)
  • Small intestine

    • What is the role of the liver in processing nutrients?

    <p>Further processing nutrients into forms easier for the body to use</p> Signup and view all the answers

    Which organism has an incomplete digestive system and can only perform intracellular digestion?

    <p>Planarian or flatworms</p> Signup and view all the answers

    What is the function of the gallbladder in the human digestive system?

    <p>To store and release bile into the duodenum</p> Signup and view all the answers

    What is the primary function of the large intestine in the human digestive system?

    <p>To recover water and electrolytes from the waste material</p> Signup and view all the answers

    What is the first stage of food processing in the digestive system?

    <p>Ingestion</p> Signup and view all the answers

    What is the primary function of the digestive enzymes in the alimentary canals?

    <p>To break down food into smaller molecules</p> Signup and view all the answers

    What is the main component of the lymphoid tissues found in the epithelial layer of the ileum?

    <p>White blood cells</p> Signup and view all the answers

    What is the correct order of the following terms from mouth to rectum?

    <p>Bolus, chyme, chyle</p> Signup and view all the answers

    Which type of digestive system has only one opening and no anus?

    <p>Incomplete digestive system</p> Signup and view all the answers

    What is the primary site of nutrient absorption in the human digestive system?

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

    What is the process by which unicellular organisms digest food?

    <p>Phagocytosis and lysosomal degradation</p> Signup and view all the answers

    What is the terminal portion of the colon called, where feces are stored until they can be eliminated?

    <p>Rectum</p> Signup and view all the answers

    Where does digestion occur in extracellular digestion?

    <p>In the lumen of the alimentary system</p> Signup and view all the answers

    What is the final stage of food processing in the digestive system?

    <p>Elimination</p> Signup and view all the answers

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