Answer:
HIV destroys helper T cells
Explanation:
The evading viruses destroys helper T cells or the CD4+ thus the body can no longer stop some infections. The secondary infections also called opportunistic infections are rampant with people who have AIDS. This is because helper T cells help fight against most infections in the body.
Answer:
D.Water and oxygen cannot pass through the cell wall
Explanation:
not sure
Answer:
The first (A) produces cell that are identical to the original cell.
Explanation:
I believe blood vessels constrict
