Q. Which chemical is envolved during anaerobic respiration of glycogen of muscle?

A
Lactic acid.
B
Glutamic acid.
C
Co2.
D
Ethyl alcohol.
Solution:
  • The repeated activation of muscle leads to the anaerobic breakdown of glycogen resulting in the release of lactic acid.
  • It is well established that altering O2 delivery to contracting skeletal muscle affects human performance.
  • In this respect, a reduced O2 supply (e.g., hypoxia) increases the rate of muscle fatigue, whereas increasing O2 supply (e.g., hyperoxia) reduces the rate of fatigue.
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