Answer:
Homeostasis
Explanation:
"ability to maintain a relatively stable internal state that persists despite changes in the world outside."
Hope this Helps
Answer:
I want to say it is the middle layer. But not 100% sure. Sorry if its wrong.
Needs more info to answer question
An inactive(dead) version of the disease is given, so that the body can build antibodies but now suffer from the symptoms
Mitochondria is the powerhouse of the cell
Hope this helped
