Blood vessels can usually handle these fluctuations easily.

管通常能够很容易地处理这样波动。

Surrounding the blood vessel is a tumor.

包裹着管就是肿瘤。

Their noses are full of blood vessels.

它子里布满了管。

The old mice formed new blood vessels.

老年小白鼠形成新管。

Large and small blood vessels enter through these holes.

大小管从这些洞里进入。

That number measures pressure in blood vessels between heartbeats.

该数字衡量心跳之间管压力。

Any blood vessels encountered along the way are ligated.

操作过程中遇到任何管都要结扎。

That valve is a special type of blood vessel.

这种阀门是一种特殊类型管。

For over two days, the kidney was attached to her blood vessels.

在两天多时间里，肾脏连接在她管上。

And blood flow can be reduced as blood vessels narrow.

且随着管变窄，流也会减少。

Next, blood vessels near your skin will begin to constrict.

接下来，你皮肤附近管会开始收缩。

Dangerously clogged blood vessels can be widened by a procedure called an angioplasty.

危险栓塞管可以被通过管成形术手术扩大。

The mark on her skin was caused by broken blood vessels.

她皮肤上伤疤是因管破裂所造成。

Next scientists suggest the artificial blood vessel by imitating a pulse.

接下来，科学家建议通过模拟脉搏来建立人造管。

Why should we care about the blood vessel of a tumor?

为什麽我要注意肿瘤管问题?

Icy water is a shock, and it makes blood vessels constrict.

冰水是一种冲击，它使管收缩。

In the brain, the hypothalamus tells your blood vessels to constrict.

大脑中下丘脑会让管收缩。

These are all the blood vessels, which look really normal and healthy.

这些是管，看起来很正常和健康。

Could the pig kidney blood vessels survive the force of human blood pressure?

猪肾管能否在人体压作用下存活下来？

If untreated, it can damage the heart, blood vessels, nerves and other organs.

如果不及时治疗，可能会损害心脏、管、神经和其他器官。