For the building of the shelter, the typical costs will include: 1  Currently, the average cost of building a shelter to the dimensions mentioned above begins at roughly $1,400. 2  The above figures place the cost of the shelter at a very reasonable $5.20 per square foot.
The lungs and the bronchi can swell, leading to constriction of the airways and increased production of mucus. Small does of Epinephrine delivered by inhalation or nebulizing, bring about short-term symptom relief by widening the bronchial passages basically mimicking what happens in a fight or flight response.
Best Answer: The Path of an Oxygen Molecule The oxygen molecule floating through the air is breathed in through the mouth and nose during inhalation. It travels from the mouth and nose into the pharynx (oropharynx and nasopharynx). The epiglottis closes to prevent foreign objects from entering the trachea (windpipe).