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Why This Matters for Nursing: The heart and blood vessels are central to patient care. Understanding circulation helps you interpret vital signs, understand cardiac conditions, and administer cardiovascular medications safely.
The cardiovascular system consists of the heart, blood vessels, and blood. Its main function is to transport oxygen, nutrients, and waste throughout the body.
Blood flow through the heart: "Toilet Paper My Ass" or simply follow the pattern:
Superior/Inferior Vena Cava → Right Atrium → Right Ventricle → Pulmonary Artery → Lungs → Pulmonary Veins → Left Atrium → Left Ventricle → Aorta → Body
Arteries = Away (from heart) Veins = Venture back (to heart)
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