Human respirationLast updated 2023.03.06 Edit SourceBiologyHuman bodyRespirationBreathingMain# Tasksexchange of respiratory gases ($\ce{ O_{2} }$, $\ce{ C_{2}O }$) (in alveoli )$\ce{ O_{2} }$ used in biological oxidation$\ce{ C_{2}O }$ end product of biological oxidation (glucose burning)gas export in the lung# Inhalationnostrils → nasal cavity → pharynx → larynx → trachea → lungillnesses of the human respiratory system