Some common ailments of respiratory system
Heart failure - a heart that can no longer pump enough blood to the rest of the body.
Hypertension - the increasing of blood pressure.
Stroke - the one parts of the brain gets damage because of inadequate supply of oxygen from brain. the blood clots in the artery.
Anemia - the red blood cells become too lowvthan the normal blood pressure.
Leukemia - cancer of blood. white blood cells grow faster than red blood cells.