BIOE 120: Digestive System Functions
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Questions and Answers

Where does absorption of nutrients occur in the small intestine?

  • Muscularis externa
  • Mucosa (correct)
  • Serosa
  • Submucosa
  • What is the function of the muscularis externa in the digestive system?

  • Secretion of digestive enzymes
  • Absorption of nutrients
  • Storage of food
  • Peristalsis (correct)
  • Where does digestion begin?

  • Small intestine
  • Mouth (correct)
  • Esophagus
  • Stomach
  • How does food move from the pharynx to the esophagus?

    <p>By muscle contraction</p> Signup and view all the answers

    How does the stomach digest food?

    <p>Mechanically and chemically</p> Signup and view all the answers

    What is the primary function of the gallbladder?

    <p>To store and concentrate bile</p> Signup and view all the answers

    What is the role of the liver in the body?

    <p>To control which nutrients to store and send to the rest of the body</p> Signup and view all the answers

    Where does the blood carrying nutrients from the digestive tract flow through?

    <p>The liver</p> Signup and view all the answers

    What is the first stop in the body for ingested toxins such as alcohol?

    <p>The liver</p> Signup and view all the answers

    What is the primary function of the digestive system?

    <p>To convert ingested food into a usable form</p> Signup and view all the answers

    What is the function of the large intestine?

    <p>To hold and compact material left over from digestion</p> Signup and view all the answers

    What is the role of the digestive tract in the digestive system?

    <p>It is a muscular tube that passes through the body from the mouth to the anus</p> Signup and view all the answers

    What is an additional function of the large intestine?

    <p>To return water to general circulation and absorb vitamins</p> Signup and view all the answers

    Which of the following is NOT a function of the digestive system?

    <p>To store nutrients for later use</p> Signup and view all the answers

    What is the role of accessory digestive organs in the digestive system?

    <p>They provide input to the digestive tract</p> Signup and view all the answers

    What is the final function of the digestive system?

    <p>To eliminate waste from the body</p> Signup and view all the answers

    What is the function of the urethra?

    <p>To excrete urine to the outside of the body</p> Signup and view all the answers

    What triggers the urge to defecate?

    <p>Stretching of the rectum due to peristaltic contractions</p> Signup and view all the answers

    What is a function of the urinary bladder?

    <p>To store urine and expel it into the urethra when necessary</p> Signup and view all the answers

    Where are the kidneys located?

    <p>On the posterior abdominal wall on each side of the vertebral column</p> Signup and view all the answers

    What is a function of the kidneys?

    <p>To regulate blood volume and contents, pH and blood pressure</p> Signup and view all the answers

    What is the shape of the kidneys?

    <p>Bean-shaped</p> Signup and view all the answers

    What is the primary function of the renal corpuscle in the nephron?

    <p>To filter blood plasma</p> Signup and view all the answers

    What is the name of the double-walled cup surrounding the glomerulus in the nephron?

    <p>Glomerular (Bowman's) capsule</p> Signup and view all the answers

    What is the name of the tube that filtered fluid passes into in the nephron?

    <p>Renal tubule</p> Signup and view all the answers

    What is the color of urine?

    <p>Clear to light yellow</p> Signup and view all the answers

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