Involved in the mechanics of breathing; The muscles involved in this type of breathing are the diaphragm, the external intercostal muscles, and the accessory respiratory muscles (activated when respiration increases significantly) Forced Exhalation.
Nitro- a combining form (used also adjectively) designating certain compounds of nitrogen or of its acids, as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene
Nitrification is a process of nitrogen compound oxidation (effectively, loss of electrons from the nitrogen atom to the oxygen atoms): 1  2 NH 4 + + 3 O 2 â 2 NO 2 â + 2 H 2 O + 4 H + (Nitrosomonas). 2  2 NO 2 â + O 2 â 2 NO 3 â (Nitrobacter, Nitrospina). 3  NH 3 + O 2 â NO 2 â + 3H + + 2e â.