Mn+cr crcl3=mncl2+cr balancing​

Write a paragraph about why the respiratory system is important and we need to breathe easily. (guys i really need ) x(

When a person undergoes root canal treatment or another endodontic treatment: [select all that apply] a.) the inside of the tooth is carefully cleaned and disinfected. b.) air is forced into the canal to stop bleeding. c.) the inflamed/infected pulp is removed. d.) the inside of the tooth is filled and sealed with a rubber-like material called gutta-percha

Example of health promoting behavior