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.
The choice of the right fire extinguisher depends on the type of a flammable substance. Substances are classified in so called Classes of fire. class. type of flammable substance. A. burning of solids burning with a flame or glow. B. burning of liquids and combustibles which turn in liquids.