(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.
1 Calcium and vitamin D intake. 2  A diet low in calcium and vitamin D makes you more prone to bone loss. 3  Medication use. 4  Some medicines increase the risk of osteoporosis. 5  Activity level. 6  Lack of exercise or long-term bed rest can cause weak bones. 7  Smoking. 8  Cigarettes are bad for bones, and the heart, and lungs, too.