The stuff clogged the breathing passages by solidifying around them.

Cats have breathing passages similar in size and shape to those of human children.

At first the attending physicians had inserted a tube to clear the President's breathing passage.

Dogs with short noses do not have breathing passages geared for distance running.

She turned his head to make sure the breathing passages were clear.

She eased Pham's head back, made sure he had a clear breathing passage.

Therefore, most symptoms affect the skin, eyes, or the breathing passages.

If his breathing passages got clogged now, it was all over.

The man said he bent down and tried to suck blood away to clear the breathing passages.

It works in the airways by opening breathing passages and relaxing muscles.