cardiovascular system 心血管系统 heart 心脏 Organ with cavitated organ parts, which is continuous with the systemic and pulmonary arterial and venous trees. Examples: There is only one heart. 器官与空化的器官部分，与全身 和肺动脉和静脉树连续。 例子：只有一颗心。 1: A hollow muscular organ of vertebrate animals that by its rhythmic contraction acts as a force pump maintaining the circulation of the blood. n2: A structure in an invertebrate animal functionally analogous to the vertebrate heart. BTO:0000562 Blood pumping organ composed of four chambers: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus. Blood pumping organ composed of four components: sinus venosus, atrium, cardiac ventricle and bulbus arteriosus. EHDAA:420 EMAPA:16105 EV:0100018 FBbt:00003154 FMAID:7088 James Malone MAT:0000036 MFO:0080860 SAEL:47 TADS:0000147 TAO:0000114 URI: http://www.ebi.ac.uk/cellline#heart XAO:0000064 ZFA:0000114 1：一种脊椎动物的中空肌肉器官，通过其有节奏的收缩作为维持血液循环的力量泵。 n2：与脊椎动物心脏功能类似的无脊椎动物的结构。 血泵器官由四腔组成：静脉窦，心房，心室和小动脉。 血泵器官由四部分组成：静脉窦，心房，心室和小动脉。