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Anatomical Structure
Outline2: Anatomical Structures of the Heart
| Question | Answer |
|---|---|
| Chambers | There are 4 chambers of the heart & is also divided into the right and left side. |
| Atria | Upper chambers of the heart |
| Right Atrium | Right side of the heart and receives deoxygenated blood from the superior vena cava and inferior vena cava. |
| Left Atrium | Left side of the heart & receives oxygenated blood from the lungs by the way of the pulmonary veins |
| Ventricles | Large chambers in the lower part of the heart. |
| Right Ventricle | Pumps blood into the pulmonary arteries |
| Left Ventricle | Pumps blood into the Aorta |
| Septum | Thick muscular wall that divides the heart into left & right |
| Anterior Wall | The front wall of the heart that lies against the left rib cage |
| Posterior Wall | The wall that faces the ribs in the back |
| Inferior Wall | The wall that faces the lower half of the body |
| Valves | Prevent blood from flowing backwards |
| Tricuspid Valve | Located between the right atrium and right ventricle. (3 cusps or leaflets) |
| Pulmonary Semilunar | Lies between the right ventricle and pulmonary artery |
| Bicuspid Valve of Mitral Valve | Located between the left atrium and left ventricle. (2 cusps or leaflets) |
| Aortic Valve | Located between the left ventricle and the aorta |