Biology, asked by rakeshmudhiraj1019, 7 months ago

5. Trachea do not collapse when there is not much air because they are
a thick and muscular
b having cartilaginous rings
chave valves
d supported by larynx
ted States​

Answers

Answered by singhbhavya037
3

Answer:

option d

Explanation:

d is correct

mark me brainliest

Answered by Anonymous
0

b. havinhacartilaginous rings chave valves

Similar questions