During acute aerobic exercise, which of the following is true?

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Multiple Choice

During acute aerobic exercise, which of the following is true?

Explanation:
Ventilation increases during acute aerobic exercise to meet the higher oxygen demand of working muscles and to remove the extra carbon dioxide produced. At exercise onset, signals from the brain and feedback from working muscles stimulate the breathing centers, boosting both the depth (tidal volume) and rate (breathing frequency) of breathing. This rise in minute ventilation improves gas exchange, delivering more O2 to tissues and clearing CO2 more effectively as intensity climbs. While heart rate rises and blood flow to active muscles increases, the specific respiratory response shown here is the increase in ventilation.

Ventilation increases during acute aerobic exercise to meet the higher oxygen demand of working muscles and to remove the extra carbon dioxide produced. At exercise onset, signals from the brain and feedback from working muscles stimulate the breathing centers, boosting both the depth (tidal volume) and rate (breathing frequency) of breathing. This rise in minute ventilation improves gas exchange, delivering more O2 to tissues and clearing CO2 more effectively as intensity climbs. While heart rate rises and blood flow to active muscles increases, the specific respiratory response shown here is the increase in ventilation.

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