Question about Computers & Internet
You posted this question in the wrong place (PC Laptops), I'll answer it anyway as I know quite a bit of Biology :).
The C shaped carilages are present around the trachea so that trachea doesn't collapse due to pressure changes inside the trachea during ventialtion (breathing in/out). Hope this helped :)
Posted on May 15, 2014
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Posted on Jan 02, 2017
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