Humoral regulation occurs due to receptors, the excitation of which occurs with an increase in the content of carbon dioxide in the blood.
From them, impulses follow to the respiratory center, causing rapid breathing. During physical and emotional stress, the respiratory rate rises sharply in order to meet the increased needs of the body for oxygen and, accordingly, remove the increased amounts of carbon dioxide.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.