I extracted the plug from the tubular aperture through which I had pumped in the extra quantity of air that the Astronaut contained; and substituted the sliding valve I had arranged for the purpose, with a small hole which, by adjustment to the tube, would give the means of regulating the air-passage at pleasure.

You must be aware that the lining of the upper air-passages arrests most of the impurities contained in the inhaled air before it comes into contact with the blood in the lungs themselves.

It is especially useful in affections of the air-passages and skin complaints, and is more or less exciting according to the springs.

During the act of swallowing, this closes down over the entrance to the windpipe, like a lid, and prevents the food from passing into the air-passages.

As the disease creeps downwards and inwards along the air-passages, the chest gets more and more affected, the discharge of mucus and pus from the nostrils more abundant, and the cough loses its dry character, becoming moist.

In order to provide for flues, air-passages, and ways for electric installations, and for gas and water, pipes (made of an insulating material if required) or cores of the required shape are inserted in the plastic beton, and where necessary suitable openings are provided on the face of the work.

They had wasted four days squirting petty remedies at symptoms, instead of finding the cause and attacking it, and now he told them plainly he feared it was too latethe fatal membrane was forming, and, indeed, had half closed the air-passages.