| Name: | heart | 
|---|---|
| Synonyms: | |
| Definition: | Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus. | 
| Ontology: | Anatomy Ontology [ZFA:0000114] | 
| Name: | skeletal muscle | 
|---|---|
| Synonyms: | |
| Definition: | Muscle, composed of long cylindrical, multinucleated cells that attaches to the skeleton via tendons. | 
| Ontology: | Anatomy Ontology [ZFA:0005277] |