Excretory System

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Questions and Answers

What is the primary function of the liver in removing waste products?

  • Regulating oxygen levels in the blood
  • Converting nitrogen wastes into urea (correct)
  • Removing solid undigested wastes from the body
  • Filtering out carbon dioxide from the blood

What is the primary route by which the body removes carbon dioxide?

  • Through the lungs during exhalation (correct)
  • Through the skin in the form of sweat
  • Through the liver in the form of bile
  • Through the kidneys in the form of urine

What is the main component of sweat?

  • Nitrogen wastes
  • Water and other wastes (correct)
  • Carbon dioxide
  • Dissolved mineral salts

What is the role of the kidneys in removing waste products?

<p>Eliminating urea from the body through urine (C)</p> Signup and view all the answers

What is the byproduct of protein breakdown that is converted into urea by the liver?

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

What is the name of the opening on the skin's surface through which sweat is released?

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

What is the role of the machine in dialysis?

<p>To perform the role of the kidneys (A)</p> Signup and view all the answers

What is the term for the poisoning of the blood due to kidney failure?

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

What is a possible cause of Chronic Renal Failure?

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

What is the purpose of antibacterial and urinary antiseptic drugs in the treatment of UTI?

<p>To cure the infection in the urinary tract (A)</p> Signup and view all the answers

What is the term for the permanent loss of kidney function?

<p>Chronic Renal Failure (C)</p> Signup and view all the answers

What is a symptom of Uremia?

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

What is the function of the ureters in the urinary system?

<p>To transport urine from the kidneys to the urinary bladder (D)</p> Signup and view all the answers

What is the role of the kidneys in maintaining homeostasis?

<p>To regulate the amount of water in the body (B)</p> Signup and view all the answers

What is the term for the process of removing waste and excess water from the body?

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

How many times does the kidney filter the blood in a day?

<p>300 times (D)</p> Signup and view all the answers

What is the functional unit of the kidney where urine production and removal take place?

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

What is the tube through which urine leaves the body?

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

What is the primary function of the excretory system?

<p>To remove excess water and waste from the body (A)</p> Signup and view all the answers

Which of the following organs is NOT primarily responsible for excretion?

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

What is the process of removing wastes and excess water from the body called?

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

What is the role of the skin in the excretory system?

<p>To excrete excess water, salts, and urea (A)</p> Signup and view all the answers

What is the term for the process by which the body maintains internal stability?

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

What is the waste product of cellular respiration that is transported by the blood to the lungs?

<p>Carbon dioxide (B)</p> Signup and view all the answers

What is a possible symptom of renal failure?

<p>Itchy dry skin (B)</p> Signup and view all the answers

What is the purpose of hemodialysis?

<p>To filter the blood to remove wastes and toxins (D)</p> Signup and view all the answers

How can a person keep their excretory system healthy?

<p>By having a balanced diet and exercising regularly (A)</p> Signup and view all the answers

What is a possible treatment for renal failure?

<p>Hemodialysis and kidney transplant (B)</p> Signup and view all the answers

Why is the excretory system important?

<p>Because every system in the body depends on it (C)</p> Signup and view all the answers

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