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 Different Types of Fire Extinguishers. Although little used in Ireland, water fire extinguishers are good for tackling class A fires involving burning wood, paper, textiles and general combustible materials. They don't contain any harmful chemicals or residual agents and they are kind to the environment.