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Cardiovascular System - Coggle Diagram
Cardiovascular System
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Anatomy of the heart (including all chambers, and valves)
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Heart: A hollow, cone-shaped, muscular pump within the mediastinum in the thoracic cavity. The average adult heart is 14 cm long and 9 cm wide about the size of a fist. Lies between the lungs, anterior to the vertebral column and behind the sternum.
Myocardium: The middle layer. Consists of cardiac muscle, and is the thickest layer of the heart wall and pumps blood out of heart chambers.
Endocardium: The inner layer. Made up of connective tissue and epithelium. Continuous with the endothelium of major vessels joining the heart. Contains the Purkinje fibers (part of the cardiac conduction system).
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ABO, Rh blood types
Type O blood: Has neither antigen on RBC membranes, but both
types of antibodies in the plasma; universal donor
Type AB blood: Has both A and B antigens on RBC membranes, but
neither type of antibodies in the plasma; universal recipient
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Layers of the heart
Pericardial cavity: The space between the visceral and parietal layers which contains serous fluid for reducing friction between the layers
Epicardium (visceral pericardium): The outermost layer. A serous membrane made up of connective tissue and epithelium. decreases friction in the heart
Parietal pericardium: The outer layer of the serous membrane which lines the inner surface of the fibrous pericardium.
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Structural and functional differences between blood vessel types (arteries, veins, capillaries)
Arteries carry blood away from the heart. They carry oxygenated blood. Arteries have thick walls with muscle tissue.
Veins carry blood towards the heart. They carry deoxygenated blood. Veins have thinner walls and use valves to keep your blood flowing