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Circ. Test Review

endocardium smooth layer of cells that lines the inside of the heart and is continuous with the inside of blood cells
pericardium a double layered membrane or sac that covers the outside of the heart
myocardium the muscular middle layer
diastole a brief period of rest
systole a period of ventricle contraction
arterioles a small diameter blood vessel in the microcirculation that extends and branches out from an artery and leads to capillaries
veins blood vessels that carry blood back to the heart
arteries carries blood away from the heart
capillaries connects arterioles with veuies (smallest veins)
plasma 90% waste with many dissolved or suspended substances
hemoglobin complex protein that carries both oxygen and carbon dioxide
aorta largest artery of the body
erythrocytes red blood cells
thrombocytes platelets
leukocytes white blood cells
hemophilia an inherited disease in which there is a missing blood clotting factor; blood clots slowly or abnormally
aneurysm an abnormal widening or ballooning of a portion of an artery due to weakness in the wall of the blood vessel
leukemia cancerous condition in which there is a great increase in the number of white blood cells
phlebotomist someone who draws blood from patients and gets the specimens for analyses
hematologist someone who examines and diagnoses the blood and the diseases of the blood
electrocardiogram a test that checks for problems with the electrical activity of your heart
Created by: adrsurf