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15 cards from this deck
Size of a clenched fist
Approximately 100,000 times
Cardiac muscle
Pericardium
Four chambers
Divides heart; keeps oxygenated & deoxygenated blood separate
Pump blood greater distances
Must pump blood to entire body
Between right atrium & ventricle; 3 flaps
Between left atrium & ventricle; 2 flaps
Left Oxygenated, Right Deoxygenated
Double circulation system
Supply oxygen & nutrients to heart muscle
Controls heart rhythm automatically
Valve closure
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