Excretory System

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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?

Eliminating urea from the body through urine (C) Signup and view all the answers

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

Ammonia (C) Signup and view all the answers

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

Pores (A) Signup and view all the answers

What is the role of the machine in dialysis?

To perform the role of the kidneys (A) Signup and view all the answers

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

Uremia (B) Signup and view all the answers

What is a possible cause of Chronic Renal Failure?

Atherosclerosis (D) Signup and view all the answers

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

To cure the infection in the urinary tract (A) Signup and view all the answers

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

Chronic Renal Failure (C) Signup and view all the answers

What is a symptom of Uremia?

Vomiting (C) Signup and view all the answers

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

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

What is the role of the kidneys in maintaining homeostasis?

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

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

Excretion (B) Signup and view all the answers

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

300 times (D) Signup and view all the answers

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

Nephrons (D) Signup and view all the answers

What is the tube through which urine leaves the body?

Urethra (D) Signup and view all the answers

What is the primary function of the excretory system?

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

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

Heart (C) Signup and view all the answers

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

Excretion (A) Signup and view all the answers

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

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

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

Homeostasis (C) Signup and view all the answers

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

Carbon dioxide (B) Signup and view all the answers

What is a possible symptom of renal failure?

Itchy dry skin (B) Signup and view all the answers

What is the purpose of hemodialysis?

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

How can a person keep their excretory system healthy?

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

What is a possible treatment for renal failure?

Hemodialysis and kidney transplant (B) Signup and view all the answers

Why is the excretory system important?

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