This can improve systolic and diastolic function of blood vessels, and promote the re-distribution of blood.

这样的收缩和舒张可以改善血管的功能，促进血液的再分布。

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It propels blood through vessels to each part of the body, delivering oxygen and other nutrients essential for normal function. The heart is vital because it.

它推动血液顺着血管流至身体各部位，并运载氧和必不可少的维持身体正常机能的营养素。

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All patients were diagnosed with severe coronary artery disease affecting at least two blood vessels but not yet causing a loss of heart function.

所有的病人都诊断患有严重的冠心病，且至少两支血管受到影响，但尚未导致心功能受损。

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