Circulatory System Vocab

Front

Inferior tip of the heart

Back

Apex

Front

Outermost lining of the heart

Back

pericardium

Front

Muscular tissue layer of the heart

Back

myocardium

Front

Inner layer of the heart

Back

Endocardium

Front

Superior chambers of the heart

Back

atria

Front

Inferior chambers of the heart

Back

Ventricles

Front

Tissue separating oxygenated & deoxygenated blood

Back

septum

Front

Blood flow from heart to lungs and back.

Back

Pulmonary circulation.

Front

Structure separating heart's upper and lower chambers

Back

atrioventricular valves

Front

Heart strings that open/close AV valves

Back

Chordae tendineae