1.

Cluster of air sacs in lungs are calleda) alveolus b) bronchi c) braonchioles d) air spaces

Answer»

Cluster of air sacs in LUNGS are called alveolous


meaning of alveoli


Alveoli are filled with air and look LIKE BUNCHES of grapes! They are about 600 million alveoli in your lungs and they are all covered with CAPILLARIES, which is where the oxygen gets into your blood!


CORRECT answer option (A)


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