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Ayushree
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Asked: 2025-09-26T11:32:14+00:00 In:

In the process of respiration, – (i) state the function of alveoli. (ii) state the function of stomata.

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(i) Alveoli are tiny air sacs in lungs where exchange of gases occurs. Oxygen diffuses into blood, and carbon dioxide diffuses out.
(ii) Stomata are small pores on leaves that allow exchange of gases and water vapour.

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    1. In the process of respiration – (i) state the function of alveoli. (ii) state the function of stomata.

      (i) Alveoli in humans: Provide a very large surface area for gas exchange. Thin walls allow oxygen to diffuse into blood and carbon dioxide out. Rich network of capillaries ensures efficient transport of gases.

      (ii) Stomata in plants: Tiny pores on leaves regulate exchange of oxygen, carbon dioxide, and water vapor. Guard cells control opening and closing. Help plants balance respiration, photosynthesis, and water loss.

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