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
Meaning the use of nitro mostly has to do with a brewerâs goals. When theyâre poured on draft, nitro beers are forced through something called a ârestrictor plate,â which allows the nitrogen to emerge and help that big, bloomy, off-white head to puff up like a beautiful liquid mushroom on top of your glass.