Surrounding the blood vessel is a tumor.

包裹着血是肿瘤。

Their noses are full of blood vessels.

它们鼻子里布满了血。

The old mice formed new blood vessels.

老年小白鼠形成新血。

Any blood vessels encountered along the way are ligated.

操作过程中遇到任何血都要结扎。

That valve is a special type of blood vessel.

这种阀门是一种特殊类型血。

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

在两天多间里，移植肾脏连接在她血上。

And blood flow can be reduced as blood vessels narrow.

且随着血变窄，血流也会减少。

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

接下来，你皮肤附近血会开始收缩。

Cardiovascular diseases (CVDs) are disorders of the heart and blood vessels.

心血疾病是心脏和血类疾病。

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

她皮肤上伤疤是因血破裂所造成。

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血。

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

为什麽我们要注意肿瘤血问题?

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

大脑中下丘脑会让血收缩。

But the tiny blood vessels just beneath your skin called capillaries break.

但是你皮肤下面毛细血破裂了。

And finally, high cholesterol which can lead to narrowing of blood vessels.

最后，高胆固醇也会造成血狭窄。

Platelets bunch up around those atherosclerotic sites in blood vessels, causing heart attacks.

血小板聚集在血中动脉粥样硬化部位周围，导致心脏病发作。

The main cause of heart attacks and strokes are blockages in blood vessels.

造成心脏病和中风主要原因是血堵塞。

Nicotine narrows your blood vessels and puts added strain on your heart.

尼古丁可缩小血宽度，增加心脏负荷。

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

冰水是一种冲击，它使血收缩。

Wow. And you know your blood vessels, because you got that question right.

哇，看来你真很了解血，因为你答对了。