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Ch 11- Vocab 2
The Language of Medicine- 8th Edition
| Question | Answer |
|---|---|
| diastole | relaxation phase of the heartbeat |
| electrocardiogram | record of the electricity flowing through the heart |
| endocardium | inner lining of the heart |
| endothelium | innermost lining of blood vessels |
| mitral valve | valve between the left atrium and the left ventricle |
| murmur | abnormal heart sounds caused by improper closure of the heart valves |
| myocardium | muscular, middle layer of the heart |
| normal sinus rhythm | heart rhythm originating in the sinoatrial node with a resting rate of 60 to 100 beats per minute |
| oxygen | gas that enters the blood through the lungs and travels to the heart to be pumped via arteries to all body cells |
| pacemaker | specialized nervous tissue in the right atrium that begins the heartbeat |