blood flow in vessels

adventitia anatomy arteria arterioles artery biology blood bloodflow body capillaries capillary cardiovascular care cell cells circulation clinic endothelium flow flowing genetic health healthcare healthy human illustration isolated lamina life lumen macro medical medicine microbiology microscopic muscle organic pericyte plasma platelet red redblood sanguin sanguineo smooth spread system tissues vaisseau valve vas vascular vaso vein veins venules vessel white whiteblood