In confined spaces the gasses from manure can lethally asphyxiate humans. The individual may choke and asphyxiate or suffer aspiration pneumonia. These species are "obligate ram ventilators" and would presumably asphyxiate if unable to move. The two try to asphyxiate themselves with exhaust fumes in a car. Carbon dioxide can asphyxiate at sufficient concentration; hydrogen sulfide acts as a broad-spectrum poison. Though primarily a powerful irritant, it can asphyxiate in high concentrations or prolonged exposure. The result was to asphyxiate genuine expression. In such cases, it is necessary to asphyxiate the fire. Haynes comments on the temperature in the museum as he begins to asphyxiate. Thordendal also contributed to the song "Asphyxiate" which can be found on Scarve's album Irradiant. Furthermore, should the lard catch fire, use a lid to asphyxiate the fire. Carnage proceeds to asphyxiate the doctor, rampage through the prison, and escape.