The muscle fatigue occurs due to accumulation of

Options

(a) Pyruvic acid
(b) ATP
(c) Lactic acid
(d) Eroman CO₂

Correct Answer:

Lactic acid

Explanation:

During muscle fatigue due to deposition of lactic acid, cytoplasm becomes acidic thereby enzyme activity stops and food is not oxidised and as the energy is not available, muscular contraction stops.