Cardiovascular system vocabulary
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Created by:
elizabethcoster on February 6, 2011
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20 terms
Terms | Definitions |
|---|---|
 apex | pointed inferior region of the heart that points toward the left hip |
| base | wide region towards top of heart that points towards the shouolder |
| pericardium | double layer of serious membrane that encloses the heart |
| myocardium | cardiac muscle that makes up middle layer |
| endocardium | lines the inside of the heart |
| pulmonary circulation | right side of the heart, lungs and up to left side |
| pulmonary arteries | carry deoxygenated blood from the right side of the heart to the lungs |
| pulmonary veins | returns oxygenated blood |
| systemic circulation | circulation through lift side of heart through body tissues and back to right side of the heart |
| coronary arteries | branch from the base of the aorta and encircle the heart in the atrioventricular groove at the junction of the atria and ventricles |
| cardiac veins | drains myocardium |
| coronary sinus | enlarged back side of heart that coronary veins empty into |
| diastole | heart relaxation |
| systole | heart contraction |
| cardiac output | amount of blood pumped per minute |
| stroke volume | volume of blood pumped out by ventricle with each heart beat |
| fibrillation | the passage of a solvent and dissolved substances through a membrane or filter |
| pulse | the rhythmic expansion and recoil of arteries resulting from heart contraction; can be felt rom the outside of the body |
| blood pressure | pressure the blood exerts against the innter walls fo the blood vessels, and it is the force that keeps blood circulating continuously even between heartbeasts |
| hypertension | an abnormally high blood pressure |
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