| 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: | hydrogen peroxide metabolic process | 
|---|---|
| Synonyms: | H2O2 metabolic process, hydrogen peroxide metabolism | 
| Definition: | The chemical reactions and pathways involving hydrogen peroxide (H2O2), a potentially harmful byproduct of aerobic cellular respiration which can cause damage to DNA. | 
| Ontology: | GO: Biological Process [GO:0042743] QuickGO AmiGO |