blood vessel line icon. bloods capillary tube, human circulatory system flow in artery

anatomy anemia art artery atherosclerosis attack background biology black blood capillary tube cardiology cardiothoracic cardiovascular care cells cholesterol circulation circulatory clot coronary design disease erythrocyte fat flow healthy hematology hemoglobin hemorrhage high human icon illustration isolated logo medical medicine microscopic plaque pressure scientific sign symbol system transportation vector vein vessel white