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

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

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

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

<p>Ingestion (A)</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 (D)</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 (D)</p> Signup and view all the answers

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

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

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

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

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

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

What is the process by which unicellular organisms digest food?

<p>Phagocytosis and lysosomal degradation (A)</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 (C)</p> Signup and view all the answers

Where does digestion occur in extracellular digestion?

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

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

<p>Elimination (C)</p> Signup and view all the answers

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