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1. How do the process of respiration occur in living organisms ?2. Why do we tired on quick exersise?3. Which type of respiration involves the process of fermentation?

Answer»

1) Allliving organismsmust be capable of releasing energy stored in food molecules through a chemicalprocessknown as cellularrespiration. In aerobicrespiration, oxygen is taken up and carbon dioxide is given out.It is not a simple process as breathing. it is complex proces.

2)When your blood flow is reduced, oxygen and other vital nutrients can't reach your muscles and lactic acid can't escape. Hence, the muscles get tired, with quick exercise, due to insufficient supply of nutrients.

3) Anaerobic respiration involves the process of fermentation.



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