(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.
Without sufficient iron, your body can't produce enough hemoglobin, a substance in red blood cells that makes it possible for them to carry oxygen to the body's tissues. As a result, you may feel weak, tired, and irritable. About 20% of women, 50% of pregnant women, and 3% of men do not have enough iron in their body.