Question

c shaped cartilaginous rings are present upto which bronchiole​

Answer 1

Answer:

till there is esophagus running parallel to windpipe. it varies in diffent mammals

Answer 2

Answer:

hii vishwa

i will send u my whatsapp number

i got 20k in advanced

i scrwed up jee advanced

i got 719 rank in ts eamcet

study hard

Explanation: