Difference between revisions of "Rib Cage"
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Revision as of 17:27, 8 November 2018
Key Stage 3
Meaning
The rib cage is the bones in our thorax which serve to protect the lungs and heart.
About the Rib Cage
- As air is inhaled the rib cage expands due to intercostal muscles relaxing.
- As air is exhaled the rib cage pulls inward due to intercostal muscles contracting.