Excretory System Functions
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Questions and Answers

What is the toxic byproduct of human metabolism that the liver converts into urea?

  • Ammonia (correct)
  • Water
  • Sodium chloride
  • Carbon dioxide
  • Where does urea travel to after leaving the liver through the bloodstream?

  • Stomach
  • Lungs
  • Kidneys (correct)
  • Pancreas
  • What is the basic functional unit of the kidney responsible for filtering out waste products and reabsorbing nutrients?

  • Renal artery
  • Nephron (correct)
  • Glomerulus
  • Ureter
  • What is the function of dialysis treatment?

    <p>To remove waste products from the blood</p> Signup and view all the answers

    What is the primary role of the kidneys in the excretory system?

    <p>Filtering waste products out of the blood</p> Signup and view all the answers

    How does the bladder signal the need to urinate as it fills with urine?

    <p>By contracting its walls</p> Signup and view all the answers

    What happens when the muscular valve at the exit point of the bladder is opened?

    <p>Urine exits through the urethra</p> Signup and view all the answers

    Why is detoxification important in the human body?

    <p>To eliminate dangerous substances</p> Signup and view all the answers

    Which organ is responsible for modifying dangerous substances in the body?

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

    What is a common function of the excretory system in animals?

    <p>Filtering waste products</p> Signup and view all the answers

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