nathanieljimenez26
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HELP!!

Which features of alveoli enable them to exchange gases efficiently? (Select all that apply.)


A. thin walls

B. surrounded by blood vessels

C. small numbers of them in each lung

D. large surface area

Do not scam me using links or attachments (except photos of the answer) or answer this by saying a simple yes or no because that also scams me.

Respuesta :

Answer:

the answer is a i hope this helps

Explanation:

The sac-like structure of the alveoli increases their surface area. In addition, the alveoli are made of thin-walled parenchymal cells. These features allow gases to easily diffuse across the cells. so the

shoghienayati

Answer:

the awnser is a

Explanation:

I took the quiz

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