Question

compare the functioning of alveoli in the lungs and nephrons in the kidney with respect to their structure and functioning.

Answer 1

ALVEOLI IN LUNGS :-

1. Alveoli are balloon like structures.

2. It is made up of one celled thick wall which contains extensive network of blood capillaries.

3. Alveoli are the site of gaseous exchange in lungs. Exchange of oxygen and carbon dioxide takes place between the blood flowing in capillaries which surround the alveoli and gases present in the alveoli.

NEPHRONS IN KIDNEY:-

1. Nephron are long tubular structures.

2. It is made up of glomerulus , Bowman's capsule and a long renal tube.

3. Nephron are the basic filteration unit of kidney. Each nephron filters the blood and separates the nitorgenous waste in the form of urine.

Answer 2

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Aʟᴠᴇᴏʟɪ ☇

۵ Alveoli are functional unit of lungs.

۵ A mature lung have about 30 crore alveoli.

۵ Alveoli provide a wide surface for gaseous exchange.

۵ The exchange of O₂ and CO₂ takes place through the network of capillaries in alveoli.

Nᴇᴘʜʀᴏɴs ☇

۵ Nephrons are functional unit of kidneys.

۵ A kidney has about 10 lakh nephrons.

۵ The surface of a nephron is not much more.

۵ The Bowman's capsule in nephron regulates the concentration of water and salta.

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