Match each term with its definition or description.

a. external respiration
b. internal respiration
c. diaphragm
d. abdominal muscles
e. oxyhemoglobin
f. bicarbonate ion
g. tidal volume
h. vital capacity
i. aortic bodies
j. stretch receptors
k. pulmonary ventilation
l. dyspnea
m. residual volume
n. eupnea


1. _____ Muscle(s) that is (are) important in inspiration

2. _____ Form in which oxygen is carried in the blood

3. _____ Amount of air moved in and out of the lung during normal, quiet breathing

4. _____ Inhibits inspiration in the inflated lung

5. _____ Exchange of oxygen and carbon dioxide in the lung

6. _____ Muscle(s) that is (are) important in forced expiration

7. _____ Form in which carbon dioxide is carried in the blood

8. _____ Chemoreceptors that respond to an increase in blood acidity levels

9. _____ TV + IRV + ERV =

10. _____ Exchange of oxygen and carbon dioxide in the tissue cells of the body

11. _____ Labored or difficult breathing

12. _____ Another term for breathing

13. _____ Air that remains in the lung after the most forceful expiration

14. _____ Normal respiration


1. c. diaphragm

2. e. oxyhemoglobin

3. g. tidal volume

4. j. stretch receptors

5. a. external respiration

6. d. abdominal muscles

7. f. bicarbonate ion

8. i. aortic bodies

9. h. vital capacity

10. b. internal respiration

11. l. dyspnea

12. k. pulmonary ventilation

13. m. residual volume

14. n. eupnea

Anatomy & Physiology

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