Anatomy and Cell Biology 3319 Study Guide - Midterm Guide: Intercostal Arteries, Posterior Cerebral Artery, Anterior Cerebral Artery

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Systemic circulation carries oxygenated blood to body, removes carbon dioxide, brings nutrients and hormones, gets rid of wastes. Systemic arteries have elastin in the walls to maintain pulsatile flow. The only branches are the right and left coronary arteries, they branch off right at the valve. Largest branch, goes toward right side and splits into the right common carotid and the right subclavian arteries. Descending aorta: brachiocephalic trunk, left common carotid artery, left subclavian artery. Runs posterior to the heart: thoracic aorta, abdominal aorta k c e n d n a d a e h e h t o l t y p p u s d o o. Above the diaphragm, descends on bodies of thoracic vertebrae t5-t12 and supplies the thorax. Below the diaphragm on lumbar vertebrae, ends at l4 where it splits to the left and right common iliac arteries. Ascends through neck just lateral to the trachea and splits at pharyngeal prominence.