Lung Structure And Ventilation (breathing) Flashcards
What happens to the intercostal muscles when you breathe in?
They contract and they move up and out
What happens to the intercostal muscles when you breathe out?
Your intercostal muscles relax and moves down and in
What happens to the diaphragm when you breath in?
The diaphragm contacts and flattens.
What happens in the diaphragm when you breath out?
The diaphragm relaxes and curves upwards
INHALE
Due to the movement of ribcage and diagram:
The volume ________ inside the thorax.
The pressure ________ inside the thorax.
The pressure inside the lungs becomes ______ than the atmospheric pressure.
Air moves _____ lungs to equalise the pressure.
Increases
Decreases
Lower
Into
EXHALE
Due to the movement of ribcage and diagram:
The volume ________ inside the thorax.
The pressure ________ inside the thorax.
The pressure inside the lungs becomes ______ than the atmospheric pressure.
Air moves _____ lungs to equalise the pressure.
Decreases
Increases
Higher
Out