Even in the most developed countries in the world, we can’t find a transport system, whose performance is comparable to the efficiency of the blood system in the human body. Great “roads” and “highways” connect all kinds of big "cities", and food and other necessary supplies are delivered to them. Such large pathways in the body are the arteries - vessels that carry blood from the heart and veins through which the blood returns to the heart. However, in the “small towns” and “villages” there is also need for food and supplies. Small roads and streets (the capillaries) reach to the villages and houses in the human body, even to the smallest stations. Circulatory system (Source: Wikipedia ) What are Arteries? The arteries lie deep in the tissues, except in the area of the wrist, on the upper side of the foot, at the temples and on the sides of the neck. From any of these places, we can feel the pulse, which is very important for the doctors. Major arteries have v...
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