Difference between revisions of "Rib Cage"
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: As [[air]] is [[inhale]]d the '''rib cage''' expands due to [[Intercostal Muscle|intercostal muscles]] contracting and lifting and pulling the [[rib]]s up and outwards. | : As [[air]] is [[inhale]]d the '''rib cage''' expands due to [[Intercostal Muscle|intercostal muscles]] contracting and lifting and pulling the [[rib]]s up and outwards. | ||
: As [[air]] is [[exhale]]d the '''rib cage''' moves inward due to [[Intercostal Muscle|intercostal muscles]] relaxing. | : As [[air]] is [[exhale]]d the '''rib cage''' moves inward due to [[Intercostal Muscle|intercostal muscles]] relaxing. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/0008158754/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158754&linkCode=as2&tag=nrjc-21&linkId=27ad53b0283feeff7fc5ae04a9e205f491 ''Rib, page 118, GCSE Biology; Student Book, Collins, AQA ''] | ||
Latest revision as of 17:19, 12 November 2019
Contents
Key Stage 3
Meaning
The rib cage is the bones in our thorax which protect the lungs and heart.
About the Rib Cage
- The rib cage is part of the breathing system.
- As air is inhaled the rib cage expands due to intercostal muscles contracting and lifting and pulling the ribs up and outwards.
- As air is exhaled the rib cage moves inward due to intercostal muscles relaxing.
Key Stage 4
Meaning
The rib cage is the bones in our thorax which protect the lungs and heart as well as expand and contract to allow breathing.
About the Rib Cage
- The rib cage is part of the breathing system.
- As air is inhaled the rib cage expands due to intercostal muscles contracting and lifting and pulling the ribs up and outwards.
- As air is exhaled the rib cage moves inward due to intercostal muscles relaxing.