Anatomical system that has as its parts the heart and blood vessels.
hog:0001725
hog:0000842 lymphatic systemhog:0001396 extraembryonic vascular systemhog:0000224 bloodhog:0000276 hearthog:0000708 hepatic sinusoidhog:0001217 cardiovascular system endotheliumhog:0001248 circulatory systemtao:0000010