| Atrioventricular (AV) valves | Valves located between the atrial and ventricular chambers on each side of the heart, prevent backflow into the atria when the ventricles are contracting. |
| Endocardium | Each chamber of the heart is lined by thin serous endothelium |
| Pulmonary trunk | Routes blood to the lungs to be oxygenated. Pumped by the right ventricle |
| aorta | The source from which all systemic arteries of the body diverge to supply the body tissue. Pumped by the left ventricle. |
| atria | Two superior chambers of the heart, serve as receiving chambers |
| parietal pericardium | a serous membrane which is attached at the heart apex to the diaphragm. This lines the losely fitting superficial fibrous pericardium |
| pericardium | the doule-walled fibrous sac which encloses the heart |
| superior and inferior venae cavae | The source of relatively oxygen-poor blood from the body into the right atrium. |
Drag corresponding items onto each other to make them disappear.
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