Question

Given below is an example of a certain structure and its special functional activity:
Kidney and excretion.
Fill in the blanks on a similar pattern:
C-shaped cartilage rings and .........

Answer 1

The c-shaped cartilaginous rings in the respiratory tracts prevent the collapse of the respiratory tract. So, the correct statement is 'C shaped cartilaginous rings and prevention of collapse of the trachea'.