Answer:
Adrian's adaptive immune system remembered the antigens from the virus. so he becomes immune to it.
Explanation:
I believe the thyroid controls most, if not all of those things. (Again, I'm not entirely sure.)
The answer is stem cells. Normal stem cells and germ cells can also be said to be immortal
Given what we know, we can confirm that the principle from the cell theory that supports this finding is that existing cells are produced by other living cells.
<h3>What is the cell theory?</h3>
The cell theory is a scientific theory proposed in the middle of the 19th century. It attempts to explain the formation and role of cells. There have been many wrongful iterations of this theory until arriving at the current version that is widely accepted today.
Therefore, we can confirm that the principle from the cell theory that supports this finding is that existing cells are produced by other living cells.
To learn more about cells visit:
brainly.com/question/5763151?referrer=searchResults