OntologiesbtoclassesBTO:0000562   
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heart
http://purl.obolibrary.org/obo/BTO_0000562

1: A hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood. 2: A structure in an invertebrate animal functionally analogous to the vertebrate heart.

Related Synonyms
Herz