Question | Answer |
What is the anatomical location of the heart? | Rests on the diaphragm, lies in the pericardial cavity of the thoracic cavity |
What is the membrane that surrounds and protects the heart called? | Pericardium |
What is the layer around the heart that is composed of tough, unelastic, dense irregular connective tissue that protects the heart from overstretching and provides protection and is an anchor to the mediastinum? | Superficial Fibrous Pericardium |
Which layer is more delicate and forms a double layer around the heart? | Serous Pericardium |
What is the outer layer that is fused to the fibrous pericardium? | Parietal Layer |
What layer is the inner visceral layer of the serous pericardium and is one of the layers of the heart wall and adheres tightly to the surface of the heart? | Epicardium |
What reduces the friction between the layers of the serous pericardium and is a thin film of lubricating serous fluid? | Pericardial Fluid |
What is the name of the space that contains a few millileters of pericardial fluid? | Pericardial Cavity |
What is the outermost, thin, transparent layer of the heart wall called? | Epicardium |
What is the name of the middle layer of cardiac muscle tissue? | Myocardium |
What is the innermost layer of the heart wall which provides a smooth lining for the chambers of the heart and covers the valves of the heart? | Endocardium |
What are the two superior receiving chambers for blood called? | Right and Left Atria |
What are the two inferior pumping chambers called? | Right and Left Ventricles |
What is the wrinkled pouchlike structure on the anterior surface of each atrium called? | Right and Left Atriolar Auricles |