Let's take the cardiovascular system, for example.

我用心血管系统来说明。

And flavanoids from many plants may improve the health of our cardiovascular systems.

许多植中的黄酮类可以改善我们心血管系统的健康。

The results are based on the findings of a two-year study of a cross-section of the British population, which examined the effects of ageing on the cardiovascular system.

这些结果来源于一项为期两年的研究。该研究对英国人口进行横断面分析，旨在调查年龄增长对心血管系统产生的影响。

High heat puts extra pressure on the cardiovascular system.

高温会给心血管系统带来额外的压力。

Putting stress on the cardiovascular system could ignite dormant issues and hasten a cardiac-related event.

对心血管系统施加压力可能会引发在的问题并加速心脏相关状况的发生。

Estrogen normally has a protective effect on the cardiovascular system helping keep the blood vessels' walls flexible to accommodate blood flow, as well as the skeleton, where it helps sustain bone density.

雌激素通常对心血管系统有保护作用，有助于保持血管壁的柔韧性以适应血流；对于骨骼，雌激素有助于维持骨密度。

State 2 is where I have bigger muscles, a better cardiovascular system, or a more powerful worldview that helps me deal with the difficulties of life.

状态 2 是我有更大的肌肉，更好的心血管系统，或者更强大的世界观，帮助我处理生活中的困难。

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，医生们意识到呼吸和心血管系统的重要性，认为心肺衰竭是确认死亡的最可靠方法。

But it can also emit carbon monoxide, methane, formaldehyde, and particulate matter, which decades of research have shown negatively affect our respiratory and cardiovascular systems.

但它还可能释放一氧碳、甲烷、甲醛和颗粒，几十年的研究表明这些质对我们的呼吸和心血管系统都有负面影响。

Deep sleep reduces your heart rate and actually functions as a natural blood pressure regulator, which is great for your cardiovascular system.

深度睡眠会降低你的心率，实际上起到了天然血压调节器的作用，这对你的心血管系统非常有益。

Documented effects of space travel include bone and muscle weakening, or atrophy, changes in the brain, cardiovascular system and immune system.

记录在案的太空旅行的影响包括骨骼和肌肉的萎缩，大脑、心血管系统和免疫系统的变。

Well, no. The fact is: You're more likely to die from diseases related to your cardiovascular system than anything else.

嗯，并非如此。事实是：与其他疾病相比，你更有可能死于与心血管系统相关的疾病。

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。

Now back to the boys, men generally have bigger hearts lungs and veins known as the cardiovascular system.

回到男孩身上，男人通常有更大的心脏、肺和静脉，这被称为心血管系统。

In this 2009 study, participants with strong cardiovascular systems were some of the most intelligent, well, why?

在 2009 年的这项研究中，心血管系统强健的参与者是最聪明的，为什么呢？

Iron is carried through the cardiovascular system to the body's hematopoietic tissue.

铁通过心血管系统被运送到身体的造血组织。

You've heard of the cardiovascular system and the immune system.

你听说过心血管系统和免疫系统。

Think of the cardiovascular system, the musculoskeletal system, the endocrine system, even the psychological system.

想想心血管系统、肌肉骨骼系统、内分泌系统，甚至心理系统。

And why is it bad for our cardiovascular system?

而且它为什么会对我们的心血管系统有害？

You can think of your cardiovascular system as a basic plumbing system.

你可以把你的心血管系统想象成一个基础的管道系统。