Final answer:
Breathing changes during exercise involve an increase in both respiratory rate and depth, known as hyperpnea.
Explanation:
During exercise, breathing changes by increasing both the respiratory rate and depth of ventilation. This is referred to as hyperpnea, which is an increase in the rate and depth of ventilation. Hyperpnea is initiated by factors such as psychological stimulus, motor neuron activation, and proprioceptor activation during exercise.
Learn more about Breathing changes during exercise here:
https://brainly.com/question/12141429
