Question

Alveoli are designed such that maximum exchange of gases takes place .The following facilitates the exchange

1 point

(a) Single layer of epithelium

(b) Highly vascularised

(c) both (a) and (b)

(d) none of the above

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Answer 1

Answer:

ans..

option "c"..single layered epithelium with the basement membrane and highly vascularised..