Her heart-- pretty much just a bunch of muscle fiber.

她的心脏，基本上就是一堆肌肉纤维了。

Sineu is the connective tissue that is connecting the muscle fibers.

这些纹路是连接肌肉纤维的结缔组织。

So there is one unique cell in particular which has muscles fibers there.

特别是有一种独特的细胞，它里面含有肌纤维。

The first two, shortening muscle fibers and lengthening them, generate opposing forces.

前两种包括收缩型肌肉纤维和伸长型肌肉纤维，彼此会产生相对的作用力。

In these cases, the muscle fibers don't change in length, but instead keep the muscles rigid.

在这些情况之下，肌肉纤维的长度保持不变，而整个肌肉处于一种僵硬的状态。

Without proper nutrition, hormones, and rest, your body would never be able to repair damaged muscle fibers.

没有所需的营养，激素，和休息，你的身体永远不能修复受损的肌肉组织。

And they got these little serrations down the front and the back that tear through the muscle fibers.

牙齿前后都有这些小锯齿能够撕开肌肉纤维。

We've also learned that along with motor neurons and muscle fibers, ALS could involve other cell types.

我们还了解到连同运动神经元和肌肉纤维，ALS可能还会涉及其他细胞类型。

Only one-tenth the width of a human hair, the fibers were both stronger and tougher than actual muscle fibers.

宽度只有人类头发的1/10，这种纤维比实际的肌肉纤维更坚韧。

Those neurons then transmit the message into muscle fibers, which contract or relax in response, resulting in motion.

这些神经元随后将信息传输到肌肉纤维中，这些纤维会收缩或放松，从而产生运动。