The cardiovascular system 2

1 The cardiovascular system 2   The most important arteries are: 1, The aorta (Fig. 21): It is the largest artery in the body. It carries the pure oxygenated blood from the left ventricle to all parts of the body. It is described as consisting of 3 parts: a)Ascending aorta: from its origin from the […]

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The cardiovascular system 1

The cardiovascular system 1   The cardiovascular system includes the heart and the blood vessels. THE HEART: (Fig. 19) –      The heart is a hollow muscular organ present in the thoracic cavity between the two lungs. It is conical in shape. Its apex is located in the 5th left intercostal space (9 cm from the […]

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