5. What are the functions of the following in breathing? (a) Ribs, (b) Diaphragm, (c) Abdominal muscles
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Ribs – they move upwards and outwards
Diaphragm – contracts and flattens downwards
Abdominal muscle- Support internal visceral organs where there is no bone, protect the abdominal viscera from injury and help to keep them in their anatomical position.
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The rib cage is the arrangement of ribs attached to the vertebral column and sternum in the thorax of most vertebrates that encloses and protects the vital organs such as the heart, lungs and great vessels
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