Chapter 11: Cardio Word Scramble
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Question | Answer |
Aorta: | Largest artery in the body |
Arteriole: | Small artery |
Artery: | largest type of blood vessel; carries blood away from the heart to all parts of the body |
Atrioventricular node: | Specialized tissue in the wall between the atria. Electrical impulses pass from the pacemaker through the AV node. |
Atrium: | One of two upper chambers of the heart |
Capillary: | Smallest blood vessel. Materials pass to and from the bloodstream through the thin capillary walls |
Carbon Dioxide: | Gas released by body cells, transported via veins to the heart and then to the lungs for exhalation |
Deoxygenated blood: | Blood that is oxygen-poor |
Diastole: | Relaxation phase of the heartbeat |
Electrocardiogram: | Record of the electricity flowing through the heart |
Endocardium: | Inner lining of the heart |
Endothelium: | Innermost living of blood vessels |
Mitral Valve: | Valve between the left atrium and the left ventricle |
Murmur: | Abnormal heart sound 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: | Speacialized nervous tissue in the right atrium that begins the heartbeat. |
Pericardium: | Double-layered membrane surrounding the heart |
Pulmonary Artery: | Artery carrying oxygen-poor blood from the heart to the lungs |
Pulmonary Circulation: | Flow of blood from the heart to the lungs and back to the heart |
Pulmonary Valve: | Valve positioned between the right ventricle and the pulmonary artery |
Pulmonary Vein: | One of two parts of vessels carrying oxygenated blood from the lungs to the left artrium of the heart |
Pulse: | Beat of the heart as felt through the walls of the arteries |
Septum: | Partition or wall dividing a cavity; such as between the right and left atria |
Sinoatrial Node: | Pacemaker of the heart |
Sphygmomanometer: | Instrument to measure blood pressure |
Systemic Circulation: | Flow of blood from body tissue to the heart and then from the heart back to body tissues |
Systole: | Contraction phase of the heartbeat |
Tricuspid Valve: | Located between the right atrium and the right ventricle |
Valve: | Structure in veins or in the heart that temporarily closes and opening so that blood flows in only one direction |
Vein: | Thin-walled vessel that carries blood from body tissues and lungs back to the heart |
Vena Cava: | Largest vein in the body |
Ventricle: | One of two lower chambers of the heart |
Venule: | Small vein |
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