Share NS 4º BODY SYSTEMS - Respiratory system
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The ... SYSTEM helps you breathe
RESPIRATORY SYSTEM
The RESPIRATORY SYSTEM helps you ...
Breathe
When you breathe in, you take in ...
OXYGEN
When you breathe ... , you take in OXYGEN
Breathe in
When you breathe ... , you EXPEL CARBON DIOXIDE
Breathe out
When you breathe out, you EXPEL ...
CARBON DIOXIDE
We breathe in through our ... and ...
NOSE and MOUTH
We breathe in through or nose and mouth, later the air enters in the ...
LUNGS
OXYGEN from air passes into the ...
CIRCULATORY SYSTEM
We also breathe out ... through our nose and mouth
CARBON DIOXIDE
Under the lungs, there is a big muscle called ...
DIAPHRAGM
... , there is a big muscle called DIAPHRAGM
Under the lungs
The diaphragm helps us ...
Breathe
The ... helps us breathe
Diaphragm
