3. Year 10 - Mechanics of breathing Flashcards
1
Q
Inspiration
A
Breathing in, also known as inhalation, air rushes into fill the alveoli
2
Q
Expiration
A
Breathing out, also known as exhalation, air rushes out of the alveoli
3
Q
Tidal Volume (TV)
A
The volume of air inspired and expired in one breath
4
Q
Vital Capacity
A
The maximum volume of air able to be inspired/expired in one breathe.
5
Q
What determines Vital Capacity?
A
It is determined by lung capacity —-> Fitter = Larger lungs.
6
Q
Respiration Rate (RR)
A
The number of breaths per minute (average RR is 12).