ICSE Class 9 Answered
Why are cartilage rings present in the trachea? Why are they incomplete?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Cartilage rings provide flexibility and keep the trachea distended permanently. These rings are incomplete from the dorsal side because the vertebral column is present at the back.
Answered by | 04 Jun, 2014, 03:23: PM
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