Question

Panting after vigorous exercise is due to

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

Answer 1

The correct option is A Oxygen debt

• During a vigorous physical exercise, lactic acid and carbon dioxide are formed in the muscles of the body.
• The production of lactic acid can be prevented by the flow of required oxygen to the muscles thus, our body uses more oxygen than replenished.
  
• Therefore, after a vigorous exercise people pant due to to decrease in the oxygen level in the body.
• So, the correct answer is 'Oxygen debt'.