Excretory System
Biology ⇒ Human Biology
Excretory System starts at 7 and continues till grade 12.
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See sample questions for grade 10
A patient has high levels of urea in the blood. What does this indicate about their kidney function?
Describe the role of antidiuretic hormone (ADH) in the excretory system.
Explain the difference between excretion and egestion.
Explain why glucose is not normally found in urine.
Explain why the lungs are considered excretory organs.
If a person sweats a lot during exercise, what change would you expect in their urine output?
A patient has high levels of urea in the blood. What does this indicate about their kidney function?
If a person sweats a lot during exercise, what change would you expect in their urine output?
Which blood vessel brings blood to the kidneys for filtration?
(1) Renal artery
(2) Renal vein
(3) Pulmonary artery
(4) Hepatic vein
Which hormone increases the reabsorption of sodium ions in the kidneys?
(1) Insulin
(2) Aldosterone
(3) Adrenaline
(4) Thyroxine
Which of the following is a function of the skin in excretion?
(1) Removal of urea
(2) Removal of carbon dioxide
(3) Removal of excess salts and water
(4) Removal of bile pigments
Which of the following is a waste product excreted by the skin?
(1) Oxygen
(2) Sweat
(3) Bile
(4) Insulin
Fill in the blank: The ________ carries urine from the bladder to the outside of the body.
Fill in the blank: The process of maintaining a constant internal environment in the body is called ________.
The main function of the kidneys is to ________ waste products from the blood.
The process by which water and useful substances are taken back into the blood from the filtrate is called ________.
True or False: Dialysis is a process used to artificially remove waste products from the blood when the kidneys fail.
True or False: The liver is directly involved in the formation of urine.
True or False: The loop of Henle is involved in concentrating urine.
True or False: The urinary bladder stores urine temporarily before it is excreted.
