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.
incus
Explanation:
make me brillent and plzzzz
Answer:
1. skiping pre writing lines
2. you expect someone to write their name at the top
3.only provides 1 pencil or any utensil not 2 or 3
Explanation:
I hope that helps<3
The answer should be C.
"Increased Exercise."
