Q.13. Compare the functioning of alveoli in the lungs
and nephrons in the kidneys with respect to their
structure and functioning.
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----> Alveoli are tiny balloon like structures present inside the lungs. It's walls are made up of an extensive network of blood capillaries.
----> Nephrons are tubular structures present inside the kidney. It is made up of renal capsule and renal tubule. Thin walled capillaries are found inside the nehprons.
----> Alveoli are the sites of gaseous exchange; oxygen and carbon dioxide are exchanged between the blood of capillaries and the gases present in the alveoli.
----> Nephrons regulate the concentration of water and salts by filtering blood, reabsorbing water that is needed and excreting the non-required as urine.
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