The functional unit of a mammalian kidney is the
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Correct Answer: Option D
Explanation:
The correct answer is:
D. nephron
The nephron is the functional unit of the mammalian kidney. Each kidney contains about a million nephrons, and they are responsible for:
- Filtering blood
- Reabsorbing useful substances
- Forming urine
Other options:
- A. urethra – Transports urine out of the body.
- B. malphigian capsule – This refers to a part of the nephron (glomerulus + Bowman’s capsule), not the whole functional unit.
- C. glomerulus – A component within the nephron.
- E. ureter – Carries urine from kidney to bladder.
The correct answer is:
D. nephron
The nephron is the functional unit of the mammalian kidney. Each kidney contains about a million nephrons, and they are responsible for:
- Filtering blood
- Reabsorbing useful substances
- Forming urine
Other options:
- A. urethra – Transports urine out of the body.
- B. malphigian capsule – This refers to a part of the nephron (glomerulus + Bowman’s capsule), not the whole functional unit.
- C. glomerulus – A component within the nephron.
- E. ureter – Carries urine from kidney to bladder.