When you get a vaccine it injects a controlled amount of the illness into you, so the immune system can build up an immunity. The memory cells come into play when the illness comes back.
People in this pandemic have lots on their mind these days. Causing people to stress, using stress management can give you ways to not feel it as often. People take it because they have more things to do and to pay for and that can really get to you at times. So having stress management classes can help clear your mind and be better.
Answer:
this helps prevent any fumes from spreading to other areas and to control the smells and product
Explanation:
They are called lymphocytes, which are a type of white blood cell. I hope this helps! :)
