Excretory System Functions and Homeostasis Quiz
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Questions and Answers

Where does the filtration of blood mainly take place in the kidney?

  • Proximal tubule
  • Loop of Henle
  • Distal tubule
  • Glomerulus (correct)
  • What is the waste product excreted by the kidneys?

  • Amino acids
  • Urea (correct)
  • Carbon dioxide
  • Glucose
  • What is the role of nephrons in the kidney?

  • Production of urea
  • Return of purified blood to circulation
  • Filtration of blood (correct)
  • Transport of urine to bladder
  • What is the function of the ureters in the excretory system?

    <p>Transport of urine from kidneys to bladder</p> Signup and view all the answers

    What is the anatomical structure that encases the upper end of the nephron and is involved in filtration?

    <p>Bowman’s Capsule</p> Signup and view all the answers

    What is the primary function of the excretory system?

    <p>Removing toxins and wastes from the body</p> Signup and view all the answers

    What is the main activity of the liver in relation to the excretory system?

    <p>Converting nitrogen wastes (ammonia) into less toxic urea</p> Signup and view all the answers

    Which organ excretes excess water, salts, and a small amount of urea in sweat?

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

    Which organ transports carbon dioxide, a waste product of cellular respiration, from the body cells to be excreted?

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

    What is a function of the excretory system that helps maintain homeostasis?

    <p>Maintaining the pH of the blood</p> Signup and view all the answers

    Study Notes

    Kidney Function

    • Filtration of blood mainly takes place in the kidney.

    Waste Product

    • The waste product excreted by the kidneys is urea.

    Nephrons

    • Nephrons are the functional units of the kidney, responsible for filtration.

    Ureters

    • Ureters are tubes that transport urine from the kidneys to the bladder.

    Glomerulus

    • The anatomical structure that encases the upper end of the nephron and is involved in filtration is the glomerulus.

    Excretory System

    • The primary function of the excretory system is to remove waste and excess substances from the body.

    Liver Function

    • The main activity of the liver in relation to the excretory system is to break down and remove toxins and waste products.

    Sweat Glands

    • The organ that excretes excess water, salts, and a small amount of urea in sweat is the sweat glands.

    Lungs

    • The organ that transports carbon dioxide, a waste product of cellular respiration, from the body cells to be excreted is the lungs.

    Homeostasis

    • A function of the excretory system that helps maintain homeostasis is the removal of waste and excess substances, which helps regulate various bodily functions.

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    Description

    Test your knowledge about the functions of the excretory system in maintaining homeostasis. Learn about how the excretory system removes toxins, regulates fluid and salt levels, and maintains blood pH for overall balance in the body.

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