Asthma happens when tissue that lines the airways to the lungs begins to expand or swell.

VOA: special.2009.07.28

Some of them have to do with merely digesting food and moving the body around, and making the heart beat,and the lungs open and close.

有一些只负责消化食物或者身体活动，让心脏跳动，让肺部呼吸。

耶鲁公开课 - 死亡课程节选

But one that I was very interested in was biology, and the reason was we did a lot of cool labs in high school, I loved doing the dissections -- it was very interesting to me to think about how different organs worked, how the heart could be a pump, how the lungs worked.

但当时我很喜欢生物学，因为我高中做了很多很酷的生物实验,我很喜欢解剖-,我觉得了解不同器官,怎么工作很有趣,像心脏怎么泵血。

麻省理工公开课 - 化学原理课程节选

Experts at the National Institutes of Health in the United States say the damage to the lungs cannot be repaired and there is no cure.

VOA: special.2009.06.03

It forces air into the lungs and pumps blood and oxygen to the brain.

VOA: special.2009.08.11

With traditional CPR, you give two breathes to force air into the lungs.

VOA: special.2009.06.09

Blood clots can kill if they move to the heart and lungs and stop needed oxygen from reaching those important organs.

VOA: special.2009.07.14

This may cause people to hold the smoke in their lungs longer than smokers of other products.

VOA: special.2010.03.09

Albuterol helps to relax the muscles in the airways of the lungs and increases air flow.

VOA: special.2009.07.28

It measures the amount of air Arick is able to push out of his lungs.

VOA: special.2009.07.28

This makes it difficult for air to flow in and out of the lungs.

VOA: special.2009.07.28

Then they add aerobic exercises that get the heart and lungs to work harder and promote circulation.

VOA: standard.2010.02.26

I am sure Nigeria is one of , and we must get ready to face those new cases being forecast by the World Health Organization. Dr.Ahmed says the most common cancers among those expected to increase are of the breast, cervix,colon,lungs and prostate.

VOA: standard.2010.06.16