*heart- the pumping organ
*blood-transports Oxygen and nutrients
*blood vessels- passageways
HEART
-main organ of the cvs
-size of your fist
HEART WALL
-epicardium
-myocardium
-endocardium
Systole- heart contracts
Diastole- relaxation phase
Anastomoses- enable the heart to constantly receive a rich supply of blood
Autorhytmicity- the unique ability of the heart to contract on its own
Inotropism-causes the increase in heart rate
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