Question

Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and function

Answer 1

Alveoli are tiny balloon-like structures present inside the lungs. Nephrons are tubular structures present inside the kidneys. The walls of the alveoli are one cell thick and it contains an extensive network of blood capillaries. Nephrons are made of glomerulus, bowman's capsule, and a long renal tube.

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Answer 2

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(i) Structure:. Alveoli in the lungs and nephrons in the kidney, both poses and elaborate network of blood capillaries

(ii) functioning : alveoli purify the deoxygenated blood by removing carbon dioxide from it and making it oxygenated by introducing oxygen it. ( during the gaseous exchange ) similarly , nephrons purify the dirty blood by filtering out with products like urea from it in the form of urine.