Ventilation Flashcards
1
Q
Breathe in
A
Intercostal muscles contract Ribs up and out Diaphragm contracts and flattens Increases volume in chest Decreases pressure in chest Air moves in
2
Q
Breathe out
A
Intercostal muscles relax Ribs down and in Diaphragm relaxes back to dome shape Decreases volume in chest Increases pressure in chest Air moves out
3
Q
Intercostal muscles relax
A
Ribs down and in
4
Q
Intercostal muscles contract
A
Ribs up and out
5
Q
Ribs up and out
A
Diaphragm contracts and flattens
6
Q
Ribs down and in
A
Diaphragm relaxes back to dome shape
