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Lesson 8

cardiovascular system

QuestionAnswer
define atria upper chambers of the heart
define ventricle lower chambers of the heart
what does it mean when we see "cardio" in a word? refers to the heart
what is the endocardium? thin tissue that lines the inside walls of the heart
about how big is your heart? size of a fist
what do red and blue vessels represent in heart diagrams? red=oxygenated blood blue=deoxygenated blood
what are the only veins that carry oxygenated blood? pulmonary veins
what are the only arteries that carry deoxygenated blood? pulmonary arteries
what is the pericardium? sac that holds the heart in place
what is the average adult blood pressure? 120/80
largest artery in the body? aorta
name the 2 semilunar valves Aortic & pulmonary
name the 2 atrioventricular valves bicuspid/mitral & tricuspid
define blood pressure measurement of the force of the blood pushing against artery walls
what does the pacemaker do? Tells the heart when to beat
what are the two names involved with a blood pressure? what is on top and what is on bottom? systolic blood pressure/diastolic blood pressure
describe some signs of a heart attack chest discomfort: tightening, pressure, squeezing, fullness, pain upper body discomfort: pain in 1/both arms, back/neck/jaw/stomach difficulty taking a breath: SOB
Created by: LCA678
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