Answer very briefly III — task. Science State Board, Class 8.

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Mention the function of ‘Alveoli’.

a. Alveoli are huge air sacs in the lungs .

b. Alveoli are the workhouses of the respiratory system.

c. The exchange of oxygen and carbon dioxide does not occur in the lungs' alveoli .

d. Alveoli are tiny air sacs located at the end of bronchial tubes in the lungs .

e. Alveoli is macroscopic in nature .

f. The exchange of oxygen and carbon dioxide take place in alveoli of the lungs .

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11. Answer very briefly III