Question:
Functional unit of kidney
Functional unit of kidney
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Remember the key biological functional units:
- Nervous System: Neuron
- Renal System: Nephron
- Muscular System: Sarcomere
- Respiratory System: Alveolus
- Nervous System: Neuron
- Renal System: Nephron
- Muscular System: Sarcomere
- Respiratory System: Alveolus
Updated On: Jul 8, 2026
- Nephron
- Renal artery
- Renal Vein
- Ureter
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept:
Every organ possesses a specialized microscopic structure designed to perform the organ's physiological functions.
Step 3: Detailed Explanation:
- The kidneys are responsible for purifying blood, maintaining fluid homeostasis, and excreting nitrogenous waste.
- This complex physiological process is carried out by millions of microscopic structures called nephrons.
- Each nephron consists of a renal corpuscle (Bowman's capsule and glomerulus) for ultrafiltration and a tubular system for selective reabsorption and secretion.
- The renal artery, renal vein, and ureter are macroscopic vascular and transport conduits, rather than micro-functional units.
Step 4: Final Answer
The structural and functional unit of the kidney is the nephron.
Every organ possesses a specialized microscopic structure designed to perform the organ's physiological functions.
Step 3: Detailed Explanation:
- The kidneys are responsible for purifying blood, maintaining fluid homeostasis, and excreting nitrogenous waste.
- This complex physiological process is carried out by millions of microscopic structures called nephrons.
- Each nephron consists of a renal corpuscle (Bowman's capsule and glomerulus) for ultrafiltration and a tubular system for selective reabsorption and secretion.
- The renal artery, renal vein, and ureter are macroscopic vascular and transport conduits, rather than micro-functional units.
Step 4: Final Answer
The structural and functional unit of the kidney is the nephron.
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