the chest moves front and back
This decreases the volume of the space inside the chest.
Breathing - when you breathe in, your chest rises; when you breathe out, your chest falls.
It expands
It expands
The air pressure rises in your chest
What do you do when air rushes into your chest good question you are unable to breathe
Yes, that is why their chest poofs out and sucks in
You could have heart problems that cause you to have chest burn and make it difficult to breathe. You could have also eaten something that doesn't agree with you.
When you breathe your chest rises and falls with each breath because under you rib cage is the diaphram that expands causing your chest to rise with each breath you take in and when you exhale your chest falls because your diaphram is pushing the air out.
the lungs push against your chest when you breathe causing an almost flexing motion
dont move
diaphragm