(From What is CPR? on this site) Cardiopulmonary resuscitation (CPR) is the procedure of maintaining artificial respiration and artificial circulation in a mammal who has â¦ gone into cardiac arrest through repeating cycles of chest compressions and ventilations.
The immune system protects the body against illness and infection caused by bacteria, viruses, fungi or parasites. It is really a collection of reactions and responses that the body makes to damaged cells or infection.ancer can weaken the immune system by spreading into the bone marrow. The bone marrow makes blood cells that help to fight infection. Weakening of the immune system happens most often in leukaemia or lymphoma.
When your immune system is weak, it can be harder for your body to fight disease, so you are more likely than the general population to get food poisoning, and to have serious health effects as a result. Some examples of conditions that can weaken your immune system are: 1  Alcoholism.