Inhale and exhale are respiratory movements. During inspiration, air moves through the respiratory tract in the following order: nose – nasopharynx – larynx – trachea – bronchi – lungs. Gas exchange occurs in the lungs – oxygen enters the bloodstream, and carbon dioxide leaves the bloodstream. And during exhalation, air with carbon dioxide moves in the opposite direction: lungs – bronchi – trachea – larynx – nasopharynx – nose.
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.