Nephron Anatomy & Function Worksheet
This worksheet covers the basic anatomy and function of the nephron, the functional unit of the kidney, for Grade 9 science students.
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Nephron Anatomy & Function
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Read each question carefully and answer to the best of your ability. Refer to your notes and textbook if needed.
1. What is the primary function of the nephron?
Digestion of food
Filtering blood and forming urine
Producing hormones
Pumping blood throughout the body
2. Which part of the nephron is responsible for the initial filtration of blood?
Loop of Henle
Collecting duct
Glomerulus
Distal convoluted tubule
3. The functional unit of the kidney is the .
4. The process by which useful substances are reabsorbed back into the blood from the filtrate is called .
5. The is a network of capillaries where filtration occurs.
6. Briefly explain the role of the Loop of Henle in urine formation.
7. Label the indicated parts of the nephron diagram below.
A.
B.
C.
D.
8. The afferent arteriole carries blood away from the glomerulus.
True
False
9. Urine becomes more concentrated as it passes through the collecting duct.
True
False
10. Describe the three main processes of urine formation (glomerular filtration, tubular reabsorption, and tubular secretion) and where each occurs in the nephron.