EXCRETORY SYSTEM
KIDNEY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is the main functional unit of a kidney where filtration occurs?
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Nephron
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Ureter
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Renal pelvis
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Calyx
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Explanation:
Detailed explanation-1: -The functional unit of the kidney is the nephron. Each kidney consists of millions of nephron which plays a significant role in the filtration and purification of blood. The nephron is divided into two portions, namely, the glomerulus and the renal tubule and helps in the removal of excess waste from the body.
Detailed explanation-2: -Each kidney has millions of microscopic tubes called nephrons or renal tubules. Each nephron filters metabolic wastes from the blood. Thus, nephron is called as the basic structural and functional unit of the kidney.
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