difference b/w alvoeli and nephron in 3points
Answers
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Structure
(i) Alveoli are tiny balloon-like structures present inside the lungs.
(ii) The walls of the alveoli are one cell thick and it contains an extensive network of blood capillaries.
Function
(i) The exchange of O2 and CO2 takes place between the blood of the capillaries that surround the alveoli and the gases present in the alveoli.
(ii) Alveoli are the site of gaseous exchange.
Nephron
Structure
(i) Alveoli are tiny balloon-like structures present inside the lungs.
(ii) The walls of the alveoli are one cell thick and it contains an extensive network of blood capillaries.
Function
(i) The blood enters the kidneys through the renal artery which branches into many capillaries in the glomerulus. The water and solute are transferred to the nephron at Bowman’s capsule. Then the filtrate moves through the proximal tubule and then down into the loop of henle. From henle’s loop, filtrate passes into the distal tubule and then to the collecting duct. The collecting duct collects the urine from many nephrons and passes it to the ureter. During the flow of filtrate, some substances such as glucose, amino acids, and water are selectively re-absorbed.
(ii) Nephrons are the basic filtration unit.
Answer:
1)Alveoli are the structural and funtional units of lungs while nephrons are the structural and functional units of Kidneys
2) nephrons are of three types while alveoli has no types
3) alveoli are sac-like structures while nephrons are tubular structures
4) the main function of alveoli is the exchange of gases while that of nephrons is the filtration of body fluids from nitrogenous Wastes