Question

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

and functioning​

Answer 1

Answer:

Alveoli

(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.

2. nephrons =

(i) Nephrons are tubular structures present inside the kidneys.

Answer 2

Answer:

Alveoli :

•Alveoli are pouch-like air sacs that are made

are pouch-like air sacs that are madeup of simple squamous epithelium.

•It has a thin cell wall to facilitate gaseous exchange.

•capillaries. Oxygen diffuses across the alveolar and capillary wall into the bloodstream while carbon dioxide diffuses from blood across the mentioned walls into the alveoli.

nephron:

•Nephrons comprise glomerulus and tubules through which glomerular filtrate passes.

•Facilitates blood filtration to produce urine

•Blood is supplied to renal veins