The human reproductive system is complicated and often unpredictable.

人生殖系统很复杂，常常无法预料。

Plastics and pesticides have left endocrine-disrupting chemicals everywhere-in us and in wildlife, affecting reproductive systems.

塑料和杀虫剂使得引起内分泌紊乱化学制品到处都是——遍布于们以及野生生物身边和周围，影响着生殖系统。

And pretty much everything about how our reproductive systems work is designed to make that happen.

几乎所有关于们生殖系统如何工作事情都是为了实现这一目标而设计。

Plastic exposure harms our immune and reproductive system, the liver, the kidney and even causes cancer.

塑料带来污染已经害到们人疫和生殖系统，破坏了们肝、肾，甚至会导致癌症。”

But when it comes to playing the reproductive roulette wheel, the male reproductive system takes the opposite strategy.

但是当涉及到玩生殖轮盘赌时，男性生殖系统采取了相反策略。

Those substances can influence and disrupt hormone levels, in some cases, they are also capable of affecting the reproductive system.

这些物质可以影响和破坏激素水平，在某些情况下，它们也能影响生殖系统。

We also have an ultrasound system that we use that can help us to research their fecundity and reproductive systems.

们还有一个超声波系统，可以帮助们研究它们繁殖力和生殖系统。

Some people associate that shape with the female reproductive system.

有些人将这种形状与女性生殖系统联系起来。

We've already spoken about sleep loss and your reproductive system.

们已经谈到了睡眠不足和您生殖系统。

Numerous plant mutations affect the reproductive system itself.

许多植物突变会影响生殖系统本身。

Here's a question for you: why are the most important parts of the male's reproductive system literally left hanging?

为什么男性生殖系统中最重要部分还悬而未决？

That is the female reproductive system.

那是女性生殖系统。

The reproductive system is constructed differently for males and females.

男性生殖系统合成、运输和滋养精子并产生雄激素，调节男性性征。

They are also available for the male and female reproductive systems, and for developing fetuses.

它们也可用于男性和女性生殖系统，以及胎儿发育。

Sleep deprivation affects the reproductive system as well, causing lower testosterone levels in men.

睡眠不足也会影响生殖系统，导致男性睾丸激素水平降低。

It is an incidental result of differences in the reproductive systems of the parent-species.

这是亲本物种生殖系统差异偶然结果。

And perhaps surprisingly, the interactions with the reproductive system are crucial for brain aging in women.

也许令人惊讶是，与生殖系统相互作用对于女性大脑老化至关重要。

Hence the reproductive system of this one variety must have been in some manner and in some degree modified.

因此，这一个品种生殖系统一定以某种方式和某种程度发生了变化。

By testing on animals, they're able to see if vaccines have any impact on functions like the reproductive system.

通过对动物进行测试，他们能够了解疫苗是否对生殖系统等功能有任何影响。

But they noted the process will not work on some kinds of insects that have more complex reproductive systems, such as fruit flies.

但他们指出，这一过程不适用于某些生殖系统更复杂昆虫，比如果蝇。