7 Written Questions

1. during _________, air pressure of thoracic cavity rises above atmospheric pressure
2. during _________, internal intercostal muscles relax
3. adoption to gas exchange of alveoli: wall consisting of single layer of flattened _________
4. adoption to gas exchange of alveoli: _____ lining
5. during ________, diaphragm muscles relax; pressure from abdominal contents pushes diaphragm into a dome shape
6. during _________, internal intercostal muscles contract, moving rib cage down and in
7. during _________, volume of thoracic cavity increases

6 Multiple Choice Questions

1. during _________, external intercostal muscles relax
   1. large
   2. ventilation
   3. exhalation
   4. inhalation
2. during _________, external intercostal muscles contract, moving rib cage up and out
   1. capillaries
   2. exhalation
   3. ventilation
   4. inhalation
3. pumping air into and out of lungs efficiently; maintains concentration gradient for diffusion
   1. inhalation
   2. ventilation
   3. ventilation system
   4. exhalation
4. sheet of muscle attached to the body wall at the base of the rib- cage, separating thorax from abdomen
   1. inhalation
   2. cells
   3. diaphragm
   4. large
5. controlled release of energy in the form of ATP from cells; uses oxygen
   1. exhalation
   2. cell respiration
   3. ventilation
   4. cells
6. needed to maintain concentration gradient in the alveoli
   1. inhalation
   2. exhalation
   3. ventilation system
   4. ventilation

6 True/False Question

1. capillaries → adoption to gas exchange of alveoli: dense network of ____________
   

   True        False

2. inhalation → during ___________, diaphragm muscles contract, flattening diaphragm and pushing down contents of abdomen
   

   True        False

3. exhalation → during ___________, diaphragm muscles contract, flattening diaphragm and pushing down contents of abdomen
   

   True        False

4. inhalation → during ________, diaphragm muscles relax; pressure from abdominal contents pushes diaphragm into a dome shape
   

   True        False

5. gas exchange → adoption to gas exchange of alveoli: ______ total surface area
   

   True        False

6. large → adoption to gas exchange of alveoli: _____ lining
   

   True        False