The autonomic nervous system, also known as the involuntary nervous system, regulates those facets in the body that occur automatically, such as breathing, blood pressure, digestion, heart beat, bladder function and narrowing or widening of the blood vessels.
Is the dry chemical in a fire extinguisher dangerous when inhaled?   The dry powder in ABC fire extinguishers is non-toxic but can cause skin irritation. You can check the manufacturer's website but this info is from the Kidde user guide â¦for their fire extinguishers and should be accurate.
Use a portable fire extinguisher by following the P.A.S.S. procedure: 1  Pull the handle pin on the top of the extinguisher. 2  Aim the nozzle at the base of the fire and stand approximately 8 to 10 ft. from the fire. 3  Squeeze the extinguisher handle to discharge the extinguishing agent. 4  Sweep the nozzle/extinguisher side to side at the base of the fire.