4986123
Description
Mind Map by Tamara Lancaster, updated more than 1 year ago
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Created by Tamara Lancaster
over 8 years ago
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The Lungs
- When you breathe in your lungs expand because ;
- Your diaphragm contracts
and moves down so that
the new oxygen can fill
the lungs
- Your intercostal muscles (the muscles
between your ribs )are contracting to lift
your ribs up and outwards
- Your diaphragm contracts
and moves down so that
the new oxygen can fill
the lungs
- When the muscles in your thorax relax this means you are brething out
- Breathing in increases the size of your thorax
- Breathing in increases the size of your thorax
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