functions of the respiratory system

Question 1

1. ventilation

Answer 1

movement of air into and out of lungs

Question 2

2. external respiration

Answer 2

gas exchange between air in lungs and blood

Question 3

3. transport of ___________ and ______ _____ in the blood

Answer 3

transport oxygen and carbon dioxide in the blood

Question 4

internal respiration

Answer 4

gas exchange between blood and tissues

Question 5

1. regulation of blood pH

Answer 5

altered by changing blood carbon dioxide levels

(oxygen delivery to the tissues changes the [H+] )

Question 6

2. production of chemical mediators

Answer 6

ACE
(angiotensin converting enzyme)

Question 7

3. voice production

Answer 7

movement of air past vocal folds makes sound and speech

Question 8

4. olfaction

Answer 8

smell occurs when airborne molecules are drawn into nasal cavity

Question 9

5. protection

Answer 9

against microorganisms by preventing entry and removing them from respiratory surfaces