heart blood vessel
http://purl.obolibrary.org/obo/UBERON_0003498
http://purl.obolibrary.org/obo/UBERON_0018674
http://purl.obolibrary.org/obo/UBERON_0005985
http://purl.obolibrary.org/obo/UBERON_0003834
http://purl.obolibrary.org/obo/UBERON_0001981