Digestive System and Body Metabolism
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Questions and Answers

What is the function of salivary amylase enzyme in the digestive system?

  • It breaks down lipids into fatty acids
  • It begins the digestion of starch (correct)
  • It helps in the absorption of nutrients
  • It aids in the breakdown of proteins
  • What is the function of the laryngopharynx in the digestive system?

  • It secretes digestive enzymes
  • It is connected to the esophagus (correct)
  • It absorbs nutrients into the blood vessels
  • It is not part of the digestive system
  • Why is chewing important in the digestive process?

  • It stimulates bile production
  • It breaks the food into small pieces to be easily swallowed (correct)
  • It neutralizes stomach acid
  • It increases nutrient absorption
  • What is the main function of the pancreas in the digestive system?

    <p>Production of digestive enzymes and bicarbonate</p> Signup and view all the answers

    What is the primary purpose of defecation in the digestive process?

    <p>Elimination of indigestible substances as feces</p> Signup and view all the answers

    Study Notes

    Digestive System Functions

    Salivary Amylase Enzyme

    • Breaks down carbohydrates (starches and sugars) into simpler sugars (maltose and dextrins) in the mouth
    • Starts chemical digestion of carbohydrates

    Laryngopharynx

    • Serves as a common pathway for both food and air
    • Directs swallowed food into the esophagus and air into the trachea

    Chewing

    • Breaks down food mechanically into smaller particles
    • Increases surface area for enzyme action
    • Allows for better mixing of food with saliva and enzymes

    Pancreas

    • Produces and secretes digestive enzymes (amylase, lipase, trypsin) into the small intestine
    • Helps break down carbohydrates, proteins, and fats into absorbable nutrients

    Defecation

    • Eliminates waste products from the body
    • Removes indigestible and unabsorbed substances from the digestive system

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    Description

    Test your knowledge about the organs and functions of the digestive system with this quiz by Dr. Noha Mohsen Gamil. Learn about the gastrointestinal tract, accessory digestive glands, and the major functions of digestion.

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