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Cardiovascular system

coronary heart diease is blocking of the arteries that directly supply the heart muscle. Arteries carry oxygen rich blood, which all cells need to function. Without oxygen, muscle cells die. It is caused by the natural aging process, where the once elastic walls of the arteries harden and become less flexible. Smoking, diabetes, obesity and genetics also contribute to heart disease.

Stroke - A stroke is a brain attack. We have arteries and veins running through the brain. These vessels can either become occluded due to plaques which can break free from the walls of arteries and block the vessel.

Thrombosis
The heart is surrounded by three major coronary arteries that supply it with blood and oxygen. If a blood clot develops in one of these arteries, the blood supply to that area of the heart muscle will stop.

embolism A mass, such as an air bubble, a detached blood clot, that travels through the bloodstream and lodges so as to obstruct or occlude a blood vessel.

Varicose veins
Varicose veins are enlarged and distended veins. They can occur anywhere in the body, but are particularly common in the pelvis and legs. Weak or damaged valves in the veins can cause varicose veins

High blood pressure
The pressure within the blood vessels depends on how hard the heart pumps, and how much the arteries resist. Slight narrowing of the arteries may then increase the resistance to blood flow, increasing the blood pressure

Low blood pressure is the force that your blood puts on the walls of your arteries as it's pumped around your body by your heart. This is affected by the strength with which your heart pumps, and the size and flexibility of your arteries that carry the blood.

Respiratory system

asthma is a lung disorder that causes narrowing and inflammation of the airways. it could be caused by emotions/immune response.

Chronic bronchitis is an irritation, of the airways in the lungs. Airways are the

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