Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. It constitutes more than half of the blood's volume and consists mostly of water that contains dissolved salts (electrolytes) and proteins.
If you're talking about what you should do with it:
You should do you; you be yourself and do what you want to do.
The type of immunity that uses both helper and killer cells is Cellular Immunity. It is used by Cellular immunity to classify the abnormal cells. Once abnormal cells are detected it is destroyed by Cellular Immunity. Cellular Immunity serve as resistance from diseases caused by viruses.
Gonorrhea can be cured. Aids can not be cured but you gave be follow a strict treatment.
Answer:
Because they can be really really bad for you and sometimes if they get too bad you could die. Or sometimes spread it to someone else.