L8 (not finished) Flashcards
1
Q
What are the two non-muscular forces of exhalation?
A
1) gravity
2) elasticity
2
Q
How does gravity help with exhalation?
A
Gravity pulls downward on the ribcage
3
Q
What are the three structures that have elasticity that help with exhalation?
A
1) lungs
2) rib cartilage torque
3) diaphragm and abdominal content
4
Q
Why does elasticity help with exhalation?
A
the structures want to return to their resting states
5
Q
The overall function of the muscles of exhalation is to:
A
Decrease thoracic volume to expel air
6
Q
Exhalation is a ______ process, meaning:
A
Passive, you can use non-muscular forces
