Grade 12 Urinary System Worksheet
A comprehensive worksheet for Grade 12 Biology students covering the structure, function, and processes of the human urinary system.
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Grade 12 Urinary System Worksheet
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Date:
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Read each question carefully and answer to the best of your ability. Use complete sentences for short answer questions.
1. Which of the following is NOT a primary function of the urinary system?
Regulation of blood volume and pressure
Production of digestive enzymes
Excretion of metabolic wastes
Regulation of erythrocyte production
2. The functional unit of the kidney is the:
Renal corpuscle
Nephron
Ureter
Glomerulus
3. The process of filtering blood in the glomerulus is called .
4. The hormone increases water reabsorption in the kidneys.
5. Urine is transported from the kidneys to the bladder via the .
6. Describe the role of the loop of Henle in urine concentration.
7. Explain how the kidneys contribute to maintaining acid-base balance in the body.
8. Label the indicated parts of the kidney cross-section below:
A.
B.
C.
D.
9. The afferent arteriole is wider than the efferent arteriole, which helps maintain high glomerular pressure.
True
False