Respitory System VT 4205

1) Cilia beat (up) in the opposite direction from the _____ down to the alveoli?

2) There are approximately this many_____ square yards of respiratory membrane if spread out in a flat plane?

3) Our ANS allows us to breath (inspire/expire) approximately 16 times a minute or approximately ___ thousand times a day?

4) The ____ is a malfunction of the ANS were incorrect nerve impulses cause our diaphragm to spasm and contract at the wrong time?

5) A cough and a  _____ are ANS reactions that help force debris out of the reparatory system?

6)  We yawn for two main reasons, one is a response to brain signals when our CO2 levels reach a certain threshold (high), and to increase the level of O2 intake and the other is a _____ yawn a natural process that has yet to be fully explained but is in our nature?

7) The Epiglottis is an extended part of the ________?

8) Our nasal cavity warms the air we breath, gives it moisture and _____ it?

9) Our lungs are enclosed within our body in order to maintain this one important environmental condition; this type of environment allows us to perform gas exchange at the molecular level?

10)  Smoking causes the mucous membrane to become irritated and inflamed, increases the amount of macrophages in our alveoli, and eventually the mucous membranes within our alveoli break down and are permanently damaged being replaced by smooth cells that contain no cilia, thus we cannot move debris/mucous out of our lungs.  Eventually the smallest bronchioles near the alveoli begin to get plugged up an air cannot be expired from the alveoli.  This condition is known as ______?

1-Larnyx, 2-100, 3-15, 4-Hic-up, 5-Sneeze, 6-Social, 7-Larnyx, 8-Filters, 9-moisture, 10-Emphasyma