Question

What are the 2 main advantages that facilitate the exchange of gas in the alveoli?

Answer 1

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${\huge{\red{\underline{\underline{\mathcal Advantages }}}}}$

1) The alveoli are adapted to make gas exchange in lungs happen easily and efficiently. ... they give the lungs a really big surface area.

2) They have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.

Answer 2

Answer:

The function of the alveoli is to get oxygen into the blood stream for transport to the tissues, and to remove carbon dioxide from the blood stream. In the lungs, air is diverted into smaller and smaller microscopic branches called respiratory bronchioles, which connect to the alveolar ducts.

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