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CARDIOVASCULAR SYSTEM - Coggle Diagram
CARDIOVASCULAR SYSTEM
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Definition & Components
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Delivers oxygen, nutrients, hormones to tissues.
Removes CO₂, waste products.
Maintains homeostasis (pH, temperature, fluid balance).
The Heart
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Chambers
Right atrium, Right ventricle
Left atrium, Left ventricle
Location
Mediastinum, between lungs.
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Valves
Atrioventricular valves: tricuspid, mitral
Semilunar valves: pulmonary, aortic
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Blood Vessels
Veins
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Low pressure, thin walls.
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Arteries
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High pressure, thick elastic walls.
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Capillary Types
Fenestrated
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Found in kidneys, endocrine organs
Sinusoidal
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Found in liver, spleen, bone marrow
Continuous
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Found in muscle, skin, lungs
Coronary Circulation
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Coronary Arteries
Left coronary a. → anterior interventricular (LAD), circumflex
Right coronary a. → marginal, posterior interventricular
Cardiac Veins
Great, middle, small cardiac veins → coronary sinus.
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