Question

During breathing cycle even after forced exhalation exchange of gas continues

Answer 1

It is so because there is a continuous need of breathing for our body for our existence if there will be no breathing we may die, breathing is necessary for providing oxygen to our parts for their continuous working,forceful exhalation may not affect our body to stop respiration or breathing,so therefore during the breathing cycle even after forceful exhalation the exchange of gases continues.



2.In green plants during the day carbon dioxide is generated in respiration but is not released out because in day plants perform photosynthesis in presence of sunlight to make glucose from carbon dioxide to release oxygen, and at night they don't get sunlight so the process Changes and plants takes oxygen and release carbon dioxide.

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