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Cardiovascular System.txt
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Functions
Transport system
keeps blood continuously circulating
ensures continual supply of nutrients to cells
prevents build up of body wastes
Components
Heart - transport system pump
Blood Vessels - delivery routes
Blood - transport medium
Heart Layers
Pericardium
Epicardium
Myocardium
Endocardium
Pericardium
Double Walled Sac - Parietal and Visceral
Completely Encloses the Heart
Parietal Pericardium
Fibrous, tough, dense, loose fitting
Protects and anchors the heart
Prevents overfilling of the heart
Visceral Pericardium
Epicardium
Thin, serous membrane
Secretes serous fluid
Heart Wall (Layers of the Heart Muscles)
Epicardium
Myocardium
Endocarium
Epicardium
Outer surface of the heart muscle
Myocardium
bulk of the heart (cardiac muscle tissue)
Forms Atria and Ventricle walls (heart chambers)
Primary contracting muscle
Intercalated Discs (hold cells together)
Endocardium
Thin inner lining
Simple squamous epithelium
Lines Ventricles and forms heart valves
Chambers of the Heart
4 Chambers
Left and Right Atria (upper chambers - receiving)
Left and Right Ventricle (lower chambers - pumping)
Septum
Muscular wall between chamber
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Author
Anonymous
ID
59634
Card Set
Cardiovascular System.txt
Description
cert review
Updated
2011-01-13T21:31:52Z
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