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.
Most dry fire extinguishers use compressed nitrogen gas to propel a yellow fire-suppressing powder over the flames. This powder is made from sodium bicarbonate, also known as baking soda, a chemical closely related to potassium bicarbonate and monoammonium phosphate. Of these, only monoammonium phosphate has the potential to irritate skin.