1.

List in tabular form the two differences between aerobic and anaerobic respiration. Why do we feel cramps in our muscles during sudden physical activity ?

Answer»

Difference between Aerobic and Anaerobic respiration :

S
No.
Aerobic RespirationAnaerobic Respiration
(i)Occurs in the presence of oxygen.Occurs in the absence of oxygen.
(ii)Releases a large amount of energy.Releases a relatively small amount of energy.

During sudden physical activity, there is a lack of oxygen in our muscles cells, the pathway for the breakdown of pyruvate into lactic acid that develops cramps in the body.



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