Answer:
The immune system works like what happens when a prisoner is breaking out of their cell. The Cell Mediated Response in the immune system is when killer t-cells attack any cell that has a pathogen on it. In this analogy, the cell-mediated response is the orders given by the police officer.
Explanation:
Answer:
Trees
Explanation:
because they can be replanted.
2 + 9x = 20
2 - 2 + 9x = 20 - 2
9x = 18
9x/9 = 18/9
x = 2
