What biological function does yawning have?

打哈欠有什么生物学功能？

When some of those lower biological functions are occurring, the body's alive.

当某些低等的生物机能运作时，这个肉体就是活着的。

We'll have to think about putting bounds on the implementation of biological function.

我们将需要思考那些生物函数实行的界限。

Hormones are the chemicals we make in our bodies that control certain biological and psychological functions.

荷尔蒙是我们在体内产生的化学物质，能够控制特定的生物和生理功能。

Scott's year in orbit also changed his immune system, the way his bones formed, and his eyesight, along with other biological functions.

斯科特在太空中的一年还改变了他的免疫系统、骨骼形态和视力，以及其他生物功能。

Because it's so broad a label, terpenes can have lots of different biological functions—like as vitamins, hormones, or part of the immune system.

因为萜烯包罗广泛，因此它们有多种不同的生物学功能——比如说维生素、激素或者是作为免疫系统的一部分。

And it's the shapes of proteins which enable them to carry out their remarkable biological functions.

正是蛋白质的形状使它们能够发挥其非凡的生物学功能。

But beyond its biological functions, the story of DNA is also one of discovery and human curiosity.

但除了其生物学功能之外，DNA 的故事也是一个发现和人类好奇心的故事。

But is this biological function really contagious, and why do we do it in the first place?

但这种生物学功能真的会传染吗，我们为什么要这样做呢？

Many of us feel exiting these conversations are awkward and we usually rely on biological functions to get us out.

我们中的许多人觉得退出这些对话很尴尬， 我们通常依靠生物学功能来摆脱。

Because it’s so broad a label, terpenes can have lots of different biological functions — like as vitamins, hormones, or part of the immune system.

因为它是一个如此广泛的标签，萜烯可以具有许多不同的生物学功能——比如维生素、激素或免疫系统的一部分。

When male and female, after whatever vicissitudes you like, are at last brought together they have fulfilled their biological function and interest passes to the generation that is to come.

在经历了你喜欢的任何变迁之后， 最终聚集在一起时， 他们已经完成了他们的生物学功能， 并且兴趣传递给了下一代。

But research like this shows us that sometimes it's not always a simple case of cause and effect that different cognitive and biological functions can play off each other, both for better and for worse.

但这样的研究告诉我们，有时这并不总是一个简单的因果关系，不同的认知和生物功能会相互影响，无论它们是好是坏。

Ed says, " We need to be ready to hand out" – or to give – " two father or two mother nametags." Again the traditional use of the word " father" and " mother" refer to their biological functions.

埃德说，“我们需要准备好分发” ——或给予——“两个父亲或两个母亲的名牌” 。再次，“父亲” 和“母亲” 一词的传统用法指的是他们的生物学功能。