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LoM Ch11 Cardio
Cardiovascular Vocabulary
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 bundle (bundle of His) | Specialized muscle fibers connecting the atria with the ventricles and transmitting electrical impulses between them. |
atrioventricular node (AV node) | Specialized tissue in the wall between the atria. Electrical impulses pass from the pacemaker (SA) node through the AV node and the atrioventricular bundle toward the ventricles |
atrium | One of two upper chambers of the heart |
capillary | Smallest blood vessel. Material pass to and from the bloodstream through the thin capillary walls. |
carbon dioxide (CO2) | Gas (waste) released by body cells, transported via veins to the heart, and then to the lungs for exhalation |
coronary arteries | Blood vessels that branch from the aorta and carry oxygen-rich blood to the heart muscle |
deoxygenated blood | Blood that is oxygen-poor |
diastole | Relaxation phase of the heartbeat. |
electrocardiogram | Record of the electricity flowing through the heart. The electricity is represented by waves or deflections called P, QRS, or T |