n. the mechanism of respiration which alternates between inhalation (breathing in) and exhalation (breathing out). It is a process of ventilating the lungs and allowing an exchange of gases. See respiration- inspiration- expiration. Also hyperventilation.

BREATHING: "Breathing is a mechanism which oxygenates the blood and releases carbon dioxide from your system. "
Cite this page: N., Pam M.S., "BREATHING," in, April 7, 2013, (accessed September 18, 2021).