First, what exactly is the muscular system?

那么问题来了，肌肉系统究竟是怎么工作的呢？

This complementary partnership exists throughout the muscular system.

这种互补的伙伴关系贯穿于整个肌肉系统之中。

It's just one of the many thousands of tasks performed by the muscular system.

这只是数千个肌肉系统活动中的一个。

You get more for less into your gut; digest, send it to your muscular and skeletal system of consumption.

你的直觉让你花更少的钱得到更多；消化， 将其发送到您的肌肉和骨骼消耗系统。

The muscular system of the octopus enables it to be very flexible to assume all sorts of shapes and postures.

章鱼的肌肉系统使其能够非常灵活地呈现出各种形状和姿势。

Skeletal muscles form the bulk of the muscular system, make up about 30-40% of the body's weight, and generate most of its motion.

肌肉系统中，骨架上的骨骼肌占据了人体30%－40%的重量，并管控着大部分的活动。

When you look at what your brain thinks is a person, it mirrors what you’re seeing onto your own muscular system.

当你看你的大脑认为是一个人时，它会将你所看到的反映到你自己的肌肉系统上。

Now when you look at how the muscular system moves, you gotta keep two things in mind: First, muscles never push. They always pull.

当你观察肌肉系统是如何运动的，你必须记住两件事：首先，肌肉从不推动。它们总是拉。

Some of the only parts of the body whose motions aren't governed by the muscular system are sperm cells, the hair-like cilia in our airways, and certain white blood cells.

而在我们身体的某些部分，动作不是由肌肉系统控制的，它们包括精细胞，我们气道里的丝状纤维，还有某些白细胞。