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.
Halon Fire Extinguishers Halon fire extinguisher are a specialty type of fire extinguisher that contain a gas that interrupts the chemical reaction that takes place when fuels burn. This type of fire extinguisher is often used to protect valuable electrical equipment since they leave no residue.alon Fire Extinguishers Halon fire extinguisher are a specialty type of fire extinguisher that contain a gas that interrupts the chemical reaction that takes place when fuels burn. This type of fire extinguisher is often used to protect valuable electrical equipment since they leave no residue.