anatomy Flashcards
1
Q
what part of the brain fires impulses to the respiratory muscles
A
medulla oblongota in the brainstem
2
Q
inhalation exhalation cycle occurs ___ times per minute
A
12-18
3
Q
speech is produced on an inhalation (T/F)
A
speech is produced on exhalation
4
Q
during inhalation, the chest and lungs expand and the diaphragm (raises/lowers0
A
lowers
5
Q
at rest, the lungs are partially inflated to approximately ___% of their total capacity
A
40%
6
Q
internal intercostals (depress/raise) ribs for exhalation
A
depress
7
Q
external intercostals (depress/raise) ribs for inhalation
A
raise
8
Q
_____ is the floor of the chest cavity and is considered the primary muscle of inspiration
A
diaphragm
