Question

The structural and functional unit of kidney is

• A. neuron
• B. nephron
• C. Bowman's capsule
• D. glomerulus

Answer 1

The correct option is B

nephron

The correct option is B

Explanation for correct answer

1. Each human kidney is made up of one million functional units called nephrons.
2. Each kidney is shaped like a bean and they lie on either side of the vertebral column in the abdominal cavity.
3. Each nephron contributes to the filtration of blood and the formation of urine.

Explanation for incorrect options

Option A

1. Neurons are nerve cells.

Option C

1. Bowman's capsule is the cup-like structure that encloses the glomerulus.
2. It is the part of the nephron.

Option D

1. Glomerulus is a cluster of capillaries enclosed by the glomerulus. It carries our ultrafiltration.

Final answer
The structural and functional unit of the kidney is nephron.