In the trachea _____ ‘C’ shaped cartilagenous rings are present.
A. 5-10
B. 10-15
C. 16-20
D. 20-25
Answer:C
In the trachea _____ ‘C’ shaped cartilagenous rings are present.
A. 5-10 B. 10-15 C. 16-20 D. 20-25