If the nozzle is opened wide, afterload will decrease because there will be less resistance to flow.

如果喷嘴打开，则后负荷会减少，因为流阻较小。

We also learned that total peripheral resistance is the total resistance to flow of blood in the systemic circulation.

我们还了解到，总外周阻力是对全身循环中血液流动的总阻力。

Total peripheral resistance is defined as the total resistance to flow of blood in the systemic circulation.

总外周阻力是指全身循环中对血液流动的总阻力。

That resistance to flow is called " viscosity, " and you can see it in liquids like honey, syrup, oils, glycerol.

这种流动阻力称为“粘度”，您可以在蜂蜜、糖浆、油、甘油等液体中看到它。

In other words, if the blood is thicker - more like molasses than it would be like water - there's more resistance to flow.

换言之，如果血液更粘稠，更像糖蜜而不是水，那么流动的阻力就更大。

At first glance, pitch looks like a solid, but it's not. It's actually a liquid at room temperature—just a very viscous one. Viscosity is a measure of resistance to flow—what we

乍一看，沥青看起来像一个固体，但事实并非如此。粘度是衡量流体流动阻力的标准。