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.
Cough is a defense mechanism. The lung's airways have receptors that sense abnormal stimuli. If activated (for example by mucus from a pneumonia or a foreign body) then your body activates the cough reflex to remove the obstruction from the airways and allow for good air movement.