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Respiration and Circulation — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYRespiration and Circulation1 Mark
Question
Why does trachea have ‘C’-shaped rings of cartilage?
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Answer

Trachea is supported by ‘C’-shaped rings of J cartilage which prevent it from collapsing and always keep it open.

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