Blood vessels can usually handle these fluctuations easily.

管通常能够很容易地处理这样的波动。

Surrounding the blood vessel is a tumor.

包裹着管的就肿瘤。

Their noses are full of blood vessels.

它们的鼻子里布满了管。

The old mice formed new blood vessels.

年小白鼠形成新的管。

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的压力。

Any blood vessels encountered along the way are ligated.

操作过程中遇到的任何管都要结扎。

That valve is a special type of blood vessel.

这种阀种特殊类型的管。

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

在两天多的时间里，移植的肾脏连接在她的管上。

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，你皮肤附近的管会开始收缩。

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

危险的栓塞管可以被通过管成形术的手术扩大。

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

她皮肤上的伤疤因管破裂所造成。

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?

为什麽我们要注意肿瘤管的问题?

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

冰水种冲击，它使管收缩。

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

大脑中的下丘脑会让管收缩。

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

这些管，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的作用下存活下来？

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。