Inspiration And Expiration Flashcards
1
Q
Inspiration
A
Breathing in
2
Q
Expiration
A
Breathing out
3
Q
What happens in inspiration?
A
Intercostal muscle pulls rib cage upwards
Diaphragm flattens inwards
Increase in volume
Decrease in pressure Causes lungs to deflate
4
Q
What happens in expiration?
A
Diaphragm lifts back and intercostal muscles pull rib cage inwards and downwards
Cusses lungs to deflate
Pushes out co2