heart yang

例句：

1. 1.The heart is the organ responsible for pumping blood throughout the body.
   心脏是负责将血液泵送到身体各个部位的器官。
2. 2. Heart disease is a leading cause of death worldwide.
   心脏病是全球死亡率最高的疾病。
3. 3. She was diagnosed with heart failure and required immediate surgery.
   她被诊断出患有心力衰竭，需要立即进行手术。