ASTHMA - a chronic inflammatory disease that causes breathing problems when the airways become narrowed by inflammation or blocked by mucus, STROKE - often occur when a blood clot blocks an artery in the brain and reduces the blood supply, PNEUMONIA - a virus, bacteria, or another infectious agent causes the tiny air sacs in the lungs (alveoli) to fill with fluid or pus, HYPERTENSION - the force used to pump blood through your arteries is higher than it should be,

Diseases of the Respiratory and Circulatory System

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