https://joy.videvo.net/videvo_files/video/free/2015-01/large_watermarked/Med_22__Videvo_preview.mp4 Blood Vessels Close Up A close up of blood vessels on a computer monitor during operation. Ungraded Prores file. 1080pbiologybloodcapillariesclose-upcomputermedicaloperateoperatingoperationprocedurescansciencescreensurgeonsurgerysurgicaltheatreveinsvessels