Question

list three capital cities of lungs which makes it an efficient respiratory surface​

Answer 1

1) Large surface area - Lungs have a huge quantity of alveoli that enhances the surface area needed for the transfer of gases. 2) Thin walls - There is a single sheet of cells available in the alveolar surface which provides gases a short dissemination distance.

Answer 2

Answer:

The three characteristics of the lungs are:

a. Large surface area: Lungs provide a large surface area in the form of alveoli inside for the exchange of gases by diffusion. This helps in the absorption of oxygen.

b. Thin walls: The air sacs/alveoli are thin which allows the quick diffusion of the gases through it.

c. Rich in capillary supply: The alveoli are richly supplied with the capillaries that bring blood with the carbon dioxide and absorbs oxygen

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