The immediate increase in ventilation as exercise begins can be explained through both neurogenic and humoral responses.

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The immediate increase in ventilation as exercise begins is primarily due to both neurogenic and humoral responses. Neurogenic factors, such as increased stimulation of the respiratory center in the brain and activation of muscle proprioceptors, contribute to the initial increase in ventilation. Humoral (chemical) factors, such as increased levels of carbon dioxide, hydrogen ions, and lactic acid, also stimulate an increase in ventilation during exercise.

The Immediate Increase in Ventilation as Exercise Begins Can Be