The human circulatory system is a group of variety meat that transports blood and the things such as nutrients and oxygen to and from all separate of the body. The circulatory system can be conside flushed as make up of two parts. One part is the systemic circulation, which serves everything in the body except the lungs, and the other is the pulmonary circulation which carries the blood to and from the lungs. The pipe organs of the circulatory system receive the blood as it is pump to them by the heart. The heart is a four chambe passing organ with a wall (septum) dividing it into two main divides. One section pumps blood from the heart into the lungs to become oxygenated and the other pumps blood from the lungs to the informality of the body. The blood travels in thousands of tubes called vessels. In the vessels are many small tubes called arteries. Arteries carry blood away from the heart and to the rest of the body. within the arteries are microscopic capillaries through which gas and nutrient permutation occur. Before the blood is circulated through the body it must initial go through the lungs to become oxygenated and receive nutrients to carry collide with to the rest of the body. Because the circulatory system is such a Gordian system with so many small intricate parts, at that place are many medical problems associated with it.
        One of the major problems associated with the circulatory system is sickle cell anemia. Usually a genetic endowment disease, sickle cell anemia causes abnormalities in the shape of red blood cells. If looked at under a microscope, these infected red blood cells are shaped like a crescent-shaped and are wilted. This is where they are given the name sickle cell. Cells infected with this disease do not have the regular...
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