NURS 106 Lecture 27: The Circulatory/Cardiovascular System

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Lungs, arteries are deoxygenated, and veins are oxygenated. To the rest of the body, arteries are oxygenated and veins are deoxygenated. *there is lower pulmonary pressure than there is systemic pressure (so systemic hypertension is more common) Towards the centre of our sternum sits oblique and is slightly rotated to the left. Forms the superior border (aka superior surface) Tip of the heart forming the corner of the inferior border and left border of the heart, Surface and posterior (diaphragmatic surface) usually in the 5th intercostal space in the midclavicular line* hypertension, which can lead to heart failure. If in 6th or 7th intercostal space due to uncontrolled. Heart is contained within the pericardial cavity. Tough, fibrous connective tissue, the outermost layer. Thin membrane containing 2 parts and parietal membrane) make up the parietal sac: parietal pericardium , visceral pericardium/epicardium . Lines the inside of the fibrous pericardium (fibrous pericardium external cardiac surface.

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