Nephron Anatomy and Function Worksheet
Explore the structure and function of the nephron, the functional unit of the kidney, with this comprehensive worksheet for Grade 12 Biology students.
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Nephron Anatomy and Function
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Read each question carefully and answer to the best of your ability. Refer to the provided diagram where necessary.
1. Identify and describe the primary function of the structure labeled 'A' in the diagram.
2. Which process occurs mainly in the structure labeled 'B'?
3. Which of the following substances is NOT normally found in the glomerular filtrate?
Glucose
Amino acids
Proteins
Salts
4. The reabsorption of water from the collecting duct is primarily regulated by which hormone?
Insulin
Aldosterone
Antidiuretic Hormone (ADH)
Thyroxine
5. The renal corpuscle consists of the glomerulus and the .
6. The loop of Henle is responsible for establishing a gradient in the renal medulla.
7. The process of moving substances from the blood into the filtrate is called .
8. All glucose filtered by the glomerulus is normally reabsorbed in the proximal convoluted tubule.
True
False
9. The afferent arteriole has a smaller diameter than the efferent arteriole, which helps maintain high glomerular pressure.
True
False
10. Explain the role of the countercurrent multiplier system in the loop of Henle and collecting duct in producing concentrated urine.