HbH molecules cause hypoxia in two ways.

HbH分子引起缺氧的机制有两种。

Smoking creates hypoxia in your system.

吸烟会导致体内缺氧。

This slightly improves the blood flow and ameliorates hypoxia.

这样可以稍微改善血流，缓解缺氧状态。

You would gradually begin experiencing worsening cases of cerebral hypoxia.

你的大脑缺氧情况会逐渐恶化。

So, the tissues get no oxygen, resulting in severe hypoxia.

因此组织无法获得氧气，导致重度缺氧。

This condition is called hypoxia and it is deadly to fish and shrimp.

这就造成缺氧，对鱼类和虾类来说是致命的。

Our cabin altitude at one time had reached 16000 feet. Some passengers have symptoms of hypoxia.

454. 我们的座舱高度曾达到了16000英尺。部分旅客有缺氧症状。

This hypoxia also causes the parasympathetic nerve fibers to die off.

这种缺氧还会导致副交感神经纤维死亡。

Well in response to low oxygen levels, or hypoxia, the pulmonary arterioles constrict, which raises the pulmonary blood pressure.

为应对低氧水平或缺氧，肺小动脉会收缩，这就容易引起肺高血压。

Inflamed airways along with atelectasis and air trapping due to mucus plugs can lead to difficulty breathing and hypoxia.

气管产生炎症，以及黏液栓导致的肺不张以及气体潴留，会导致呼吸困难和缺氧症。