Ventilation Flashcards
1
Q
Inhalation: Role of diaphragm
A
Contracts and flattens
2
Q
Exhalation: Role of diaphragm
A
Relaxes and moves up
3
Q
Inhalation: Role of external intercostal muscles
A
contracts
4
Q
Exhalation: Role of external intercostal muscles
A
relaxes
5
Q
Inhalation: Role of ribs
A
Moves up and out
6
Q
Exhalation: Role of ribs
A
Drops down and inwards
7
Q
Inhalation: thorax
A
Increases
8
Q
Exhalation: thorax
A
Decreases
9
Q
Inhalation: Air pressure
A
- Decreases in lungs compared to outside
- Air is drawn in
10
Q
Exhalation: Air pressure
A
- Increases in lungs compared to outside
- Air is forced out