Question

Panting after vigorous exercise is due to

• A. Continuity of mouth breathing started during exercise
• B. Oxygen debt
• C. Requirement of rapid dissipation of energy
• D. Continuity of deep breathing even after exercise

Answer 1

The correct option is B

Oxygen debt

The correct option is B.

Explanation for the correct option

1. Exercising vigorously causes panting because of oxygen debt.
2. During exercise high muscular activities causes an increase in oxygen demand.
3. Exercising causes the formation of lactic acid and carbon dioxide which hinders the supply of oxygen to the muscles.
4. Reduced oxygen supply to muscles and tissues leads to panting.

Final answer: Panting after vigorous exercise is due to oxygen debt.