What is the difference between a natural killer cell and a cytotoxic lymphocyte t?

Two activities mouth is in the digestive process

In some states, medical marijuana is legal. this means that people who need to take marijuana because of a medical condition may take it only with approval from the doctor. however, officers still advise these people not to drive while under the influence.what is the main reason for this? they would become dangerous to themselves and other people.they would not able to read and follow street signs.they would not be capable of staying in only one lane.they would become dangerous to wildlife that may be present.

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