The muscles of the heart have to give blood themselves so they have blood vessels inside.

心肌自身也需要血液,所以在这些肌肉内部也有血管

耶鲁公开课 - 生物医学工程探索课程节选

Some of them have to do with merely digesting food and moving the body around, and making the heart beat,and the lungs open and close.

有一些只负责消化食物或者身体活动，让心脏跳动，让肺部呼吸。

耶鲁公开课 - 死亡课程节选

We're going to talk a lot about how one can use the technology that we have now to treat these kinds of diseases like cancer and heart disease.

我们会讲到,如何利用现有的技术,来治疗像心脏病和癌症这样的疾病

耶鲁公开课 - 生物医学工程探索课程节选

So, many people have relatives they know of that have had to have their heart imaged -- heart disease is a major problem in the United States, and there's a good chance that they had Cardiolite given to them to help in that imaging process.

它被用在心脏成像中,很多人都有一些亲戚他们-,必须要做心脏成像，心脏病已经是美国的一个主要问题,而很有可能他们就要用到Cardiolite来成像。

麻省理工公开课 - 化学原理课程节选

After all, if you rip out your gun, shoot me in the heart, I bleed to death, we still have a human body in front of us.

毕竟你拔出枪,击中我的心脏,我失血而亡,我还是保持着肉体的形式

耶鲁公开课 - 死亡课程节选