Diaphragm, and Intercostals Flashcards
Diaphragm, intercostals, and trachea (6 cards)
1
Q
How does the volume of the chest cavity change during inhalation and exhalation?
A
During inhalation the diaphragm contracts expanding the chest cavity. During exhalation the inspiratory muscles relax, shrinking the chest cavity.
2
Q
Through which process does gas exchange across cellular membranes occur?
A
Diffusion
3
Q
Which two muscles contract to cause inhalation?
A
Diaphragm and external intercostals
4
Q
Where are the primary bronchi located?
A
At the end of the trachea
5
Q
A
6
Q
A