Answer:
heath condition, eating habits, body temperature, and gender can also affect a heart rate.
Answer:
you would not be able to move.
When you take narcotics you can get addicted and when you use it to much you mentally block it out your body gets used to it and you will physically need to take it because you think it’s not working. Once you get addicted you use it so much you could die
Answer:
the body would usually fight both the vaccine (while the vaccine is also fighting the virus)and bacteria in body
