Science, asked by kashyapsheelu196, 1 month ago

How is collapsing of lung sacs prevented after exhalation?
a) Presence of lubricants in the sacs
b) Cover of blood capillaries around the sacs
c) Occurrence of connecting tissues over the sacs
d) Presence of smooth muscles.​

Answers

Answered by dsaroja739
1

Answer:

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Answered by meow35
3

Answer:

presence of lubricants in the sacs

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