Although they are very light, bones are strong enough to support our weight.

虽然骨骼的分量很轻，但是骨骼的强大足以承载我们的体重。

PROCESSES AND DEPRESSIONS IN BONES Bones have many projections and depressions.

骨骼的凸起和下沉骨骼有许多凸出和下沉。

Number five. Weak bones. Your body's bones grow throughout your childhood.

骨骼脆弱。骨骼的生长发育贯穿整童年时期。

They learned this from the way the bones were joined together.

科学家是根据恐龙骨骼的连接方式得知这些。

So Antonio is a complete skeleton and Bruno, it's 70 to 75 percent complete.

所以安东尼奥是一完整的骨骼，而布鲁诺是完整骨骼的70%75%的。

Or, can you change the bone structure of a person's face without surgery?

或者说，不进行手术，你能改变一人脸部骨骼的结构吗？

In 2010, the Neanderthal genome was sequenced from ancient bones.

在 2010 年古代骨骼的测序中出现尼安德特人的基因组。

Are children's brains, their organs, their muscles, their bones, getting what is required?

幼儿大脑、器官、肌肉和骨骼的生长是否得所需的营养？

That irisin, which builds bone, would promote the production of sclerostin, which destroys it, may seem counterintuitive.

而能生成骨骼的鸢尾素，竟然会促进会破坏骨骼的骨硬化蛋白的产生，这似乎违反常理。

Lucy constituted only 28 percent of a half skeleton (and only about 20 percent of a full one).

露西被发现的骨头也只占半骨骼的28%（只占一副完整的骨骼的约20%）。

So what explains the XXL bones? One possibility: big mamas.

那么如何解释超大型号的骨骼呢? 一种可能是: 大骨骼的鸟妈妈。

So that's what I like to think is the more grown-up approach to teaching you about your skeleton.

所以这就是我认为的更成熟的你骨骼的方法。

Changes in the bones of the hips, spine, feet and legs permitted human ancestors to walk upright.

臀部、脊椎、脚和腿部骨骼的变化使人类祖先能够直立行走。

Calcium can continue strengthening your bones until the age of 20 to 25 when peak bone mass is reached.

在20-25岁之前，补充钙质可以促进骨骼的发育。

Well, as these examples would suggest, the development of the facial skeleton is not fixed.

就像这些例子表明的那样，脸部骨骼的生长发育并不是固定的。

These plates increase the length of your bones through proliferation of ossifying cells we call chondrocytes.

这些骨骺板通过骨化细胞的增殖增加骨骼的长度，我们称之为软骨细胞。

In particular, this is the only one with a really good complete set of plates along the back.

特别的是，这是唯一一架有完整背部骨骼的标本。

Most of the skeleton was missing.

骨骼的大部分是缺失的。

The United States is not the only country looking at exoskeleton technology.

美国不是唯一一关注外骨骼技术的国家。

Sclerostin is a protein that actually stimulates the breakdown of bone.

骨硬化蛋白是是激发骨骼破坏的蛋白质。