Lecture 21 Flashcards
1
Q
Describe the pathway of air from its entrance into the body to its final destination
A
Nasal cavity + mouth > pharynx > larynx > trachea > left/right bronchi of lung > bronchioles > alveoli & capillaries
2
Q
Define ventilation
A
Air movement into and out of the lungs per minute (inspired or expired, l/min)
3
Q
Define respiration
A
Gas exchange between tissues (internal @ lungs or external @ tissue level)
4
Q
Define tidal volume
A
Air moved with each breath (Vt) (inspiratory or expiratory)
5
Q
Define alveolar volume
A
Fresh air that reaches alveoli
(Va) (tidal volume - dead space volume Vo)
