CBSE BOARD X, asked by samarainandu, 1 year ago

Give reason (a) rings of cartilage are present in trachea

Answers

Answered by varshureddy
3
Because air passage should not collapse , it protects .
hope it helps you
Answered by Sneha20122001
0
Walls of trachea is supported by cartilaginous rings so that the air passage does not collapse.
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