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
Nitrogen â a chemical element with the symbol N and atomic number 7 â is a transparent, odorless, diatomic gas, that can also be added to a keg along with coffee to yield a foamy, caffeinated beverage known as nitro coffee..