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
The structure of the nitro group. Nitro compounds are organic compounds that contain one or more nitro functional groups (â N O 2). They are often highly explosive, especially when the compound contains more than one nitro group and is impure.