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Located in the chest between the lungs Heart
Send blood away from heart Artery
Exchanges nutrients with cells Capillaries
Transports blood to the heart Vein
Blood that is rich in oxygen Oxygenated Blood
Blood that returns to the heart Deoxygenated Blood
Double walled membrane sac Pericardium
Prevents friction when the heart beats Pericardial Fluid
External layor of heart Epicardium
Middle and thickest layor of heart Myocardium
Lining of heart Endocardium
Two upper chambers of the heart Atria
Two lower chambers of the heart Ventrical
Between right and left ventrical Septum
Between right and left atria Apex
Carries deoxygenated blood from top half of body to the heart Superior vena cava
Largest arteryin the body Aorta
Carries deoxygenated blood from lower half of body to the heart Inferior vena cava
Carries blood from the heart to the lungs Pulmonary Artery
Carries blood from the lungs to the left atrium of the heart Pulmonary Vein
Dividing wall or partition of the lower chambers of the heart Septum
Innermost layer of heart tissue Endocardium
The inner layer of the pericardium that is in actual contact with the surface of the heart Epicardium
Receives blood returning to the heart from the superior and inferior vena cava Atria
Contains the heart and the roots of the great vessels Pericardium
When the heart Tightens up Contraction
When the heart exands Relaxation
When nerves stimulate the myocardium Electrical impulses
Sounds the heart makes Lubb/Dubb
Measures the pressure of the blood Blood Pressure
Number on top when measuring blood pressure Systolic
Pressure when the ventricles are relaxed Diastolic
120/80 Normal blood pressure
Created by: s taylor