Answer:
the oxygen from the environment will flow into the cell
Explanation:
because by diffusion, areas of high concentration flow to low concentration :)
You are likely referring to active immunity that can come from naturally acquiring the disease or vaccines. Both have T cells that fight pathogens and more antibodies are created to recognize viruses and the like and neutralize them. B cells can make more antibodies. There is a lot more detail to this question but hope it helps. Have a good day.
You could do a volcano or a rocket ship, or make them bulid atoms,
The code Z21 means that a patient has tested positive for HIV but shows no symptoms.
I'd say yes is the answer