| A | B |
|---|
| Pericardium | Fibrous, double outer layer |
| Myocardium | Cardiac muscle tissue which is the wall of the heart |
| Endocardium | Inner lining of the heart |
| Septum | Muscular wall that seperate the right and left side of the heart |
| Superior and inferior vena cava | Carries deoxygenated blood to the right atrium |
| Pulmonary artery | Carries deoxygenated blood from the right ventricle to the lungs |
| Pulmonary vein | Carries oxygenated blood from the lungs to the left atrium |
| Aorta | Carries blood from the left ventricle to the body |
| Upper Chamber | Made up of the left and right atria |
| Lower Chamber | Made up of the left and right ventricles |
| Tricuspid valve | Located between the right atrium and right ventricle |
| Bicuspid valve | Located between the left atrium and left ventricle |
| Pulmonary semilunar valve | Located at the orifice of the pulmonary artery |
| Aortic semilunar valve | Located at the orifice of the aorta |
| Coronary Artery | Supplies blood to the heart muscle |
| Electrocardiogram (EKG) | Records the electrical activity during the cardiac cycle |
| Arrhythmia | Any change from the normal heart rhythm |
| Bradycardia | Slow heart rate |
| Tachycardia | Rapid heart rate |
| Murmurs | A type of defect in the valves which causes a gurgling sound |
| Pericarditis | Inflammation of the outer membrane of the heart |
| Myocarditis | Inflammation of the muscle of the heart |
| Endocarditis | Inflammation of the lining of the heart |
| Rhuematic heart disease | Caused by antibodies attacking the lining and vavles of the heart |
| Angina pectoris | Severe chest pain as a result of inadequate oxygen |
| Myocardial infarction | A heart attck resulting from a lack of blood supply to the myocardium |
| Heart failure | Ventricles of the heart contract ineffectively |
| Congestive heart failure | Blood pools into the heart then into the edema of the lower extermeties |
| Conduction defects | the electrical conduction of the heart is affected |
| Heart block | the interruption of the AV node message for the SA node |
| Fibrillation | Rhythm breaks down and muscle fibers contract without coordination |
| Angioplasty | Opens clogged vessels |
| Coronary bypass | A bypass to reroute blood around the blocked area of the coronary artery |
| coronary circulation | feeds the muscles of the heart |
| portal circulation | returns blood to the heart from digestive organs |
| tunica adventitia | outer layer of arteries and veins |
| tunica media | middle layer of arteries and veins |
| tunica interna | inner lining of arteries and veins |
| systole | ventricles contract |
| diastole | ventricles relax |
| aneurysm | ballooning of the arterial wall |
| arteriosclerosis | thickening of arterial walls due to loss of elasticity |
| hemorrhoids | varicose veins of the rectum |
| hypertension | high blood pressure |
| cerebral vascular accident | stroke |
