Enhancement and improvement costs. 1  Pouring the foundation is a good time to add radiant flooring 2. 2  This is also a good time to install a foundation drain 3, which tends to add an additional $3000 to your total but can help prevent future, expensive issues.
Normal quiet breathing moves about __________ mL of air into and out of the lungs with each breath. 500. A mechanism that clears the upper respiratory passages, which is similar to a cough except that the expelled air is directed through the nasal cavities instead of the oral cavity, is called a __________. sneeze.
A cough is a sudden, explosive exhalation of air; the function of a cough is to clear material from the airways. Coughing, a familiar but complicated reflex, is one way in which the lungs and airways are protected. Along with other mechanisms, coughing helps to protect the lungs from particles that have been inhaled.