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.
1 The soft palate relaxes allowing air to enter the nose and pass downward toward the lungs. 2  The false and true vocal folds remain relaxed and open for the entry of air.  The cricopharyngeus muscle sustains contraction to close off the top of the esophagus and prevent air from entering the digestive system.