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PCA Circulatory
heart, blood, vessels
Question | Answer |
---|---|
carries blood away from heart | artery |
carries blood toward heart | vein |
contain one-way valves | vein |
vessels that are muscular and elastic | arteries |
blood cell that fights infection | white blood cell (leukocyte) |
blood cell that carries oxygen and carbon dioxide | red blood cell (erythrocyte) |
blood component that clots blood | platelet (thrombocyte) |
blood from body returns to this chamber | right atrium |
after leaving the right atrium, blood flows to this chamber | right ventricle |
top chambers of heart | atria |
bottom chambers of heart | ventricles |
membrane dividing left and right sides of heart | septum |
side of heart where blood is low in oxygen | right |
side of heart where blood is high in oxygen | left |
valve between right atrium and right ventricle | tricuspid |
valve between left atrium and left ventricle | mitral/bicuspid |
largest artery coming directly from heart | aorta |
two large veins which drain into the right atrium | superior and inferior vena cavas |
instrument used to hear heart sounds | stethoscope |
watery substance in which blood cells float | plasma |
tiny thin-walled blood vessels that allow nutrients and oxygen to pass in and out of the bloodstream | capillaries |