Respiration
Respiration
Stock (disambiguation)
<b>Respiration</b> can refer to: <ul> <li><a href="Cellular respiration">Cellular respiration</a>, which is the use of oxygen in the <a href="Metabolism">Metabolism</a> of organic molecules. <li><a href="Respiration (physiology)">Physiological respiration</a>, which exchanges oxygen and carbon dioxide between an organism and the external environment. </ul><hr style="height: 1px; color: #aaaaaa; background-color: #aaaaaa; border: 0; margin: 0.2em 0 0.2em 0;">