Let's take the cardiovascular system, for example.

我用心血管系统来说明。

It not only tones the cardiovascular system, but also produces the same relaxing effect as breathing exercises practiced in yoga.

不光能增强心血管系统，还能产生同瑜伽练习中呼吸练习一样的放松效果。

As medicine advanced, doctors realized the importance of the respiratory and cardiovascular systems, establishing cardiopulmonary failure as the most surefire way to confirm death.

随着医学的进步， 医生们意识到呼吸系统和心血管系统的重要性，将心肺衰竭确定为确认死亡的最可靠方法。

They focused their attention on birds because our feathered friends have a cardiovascular system much like our own, in that blood exerts pressure on walls of blood vessels.

科学家们之所以把注意力集中在了小鸟上，是因为在我们那长满羽毛的朋友体内，血液施加给血管壁的压力我们人类的相像。可以说我们有相似的心血管系统。

Prolonged exposure to carbon disulfide can damage the cardiovascular and nervous systems. This was linked to behavioral and health problems among workers ranging from bouts of mania to strokes.

长时间接触二硫化碳会损害心血管和神经系统。这与工人的行为和健康问题有关，从发作的躁狂症到中风。