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During inspiration the ribs move upwards and outwards and the diaphragm contracts ,thus,increasing the volume of the thoracic cavity.this leads to a decrease in pressure inside the lung.therefore the air from outside rushes in .
During expiration the ribs move inwards and downwards and the diaphragm relaxes thus,creating low pressure .this leads to the expulsion of air from our body.
What else can I help you with?
Do salamanders breathe with there lungs?
yes they have lungs to breathe
How is the air you breathe different from the air you breathe in?
We get rid of waste when we breath out and when we breath in we take oxygen in to our lungs and breath.
Why does blood flow from the lungs to the heart?
so that we can take in oxygen and breathe out carbon dioxideso we can breathe so we can live.
How do cats breathe is it by their lungs?
That's right, cats breathe with their lungs, just as people do. All mammals use lungs to breathe.
Do alligators breathe air with their lungs?
Yes. Alligators breathe with lungs.
What happens if you swap fish lungs with mouse lungs to make mouse breathe under water?
You cannot because when you take their lungs out they will die...
Do amphibians or reptiles always breathe with lungs?
Reptiles always breathe with lungs. Amphibians may breathe with lungs, gills or through their skin.
In exercise are you supposed to breathe in or breathe out as you exert your muscles?
when you breath in your diaphragm muscle expands your lungs to take in air. when you breath out your diaphragm muscle pushes on your lungs to let out the air.
Why do you hek up?
When you heck up, you accually swollowed the saliva and it went in to one of the tubes in the windpipe and the saliva gets into your lungs and when you breathe in, you take in oxygen. And when you breathe out, it wanted to breathe out of the lungs but it is stuck. So that why you heck up
How do bats breathe?
Bats breathe through their mouths and noses.
Is a snake breathe air with lungs?
Yes, snakes breathe air and they have lungs.
What happens in the lungs when you breathe out air?
the lungs will moves down when breathe out air
