Tib Neeg Trachea Bronchi thiab ntsws
Tus qauv loj me me no tshwj xeeb tshaj yog siv tau kom nkag siab cov ntu ntawm ntu ntawm sab laug thiab sab ntsws. Cov ntu sib txawv tau pleev xim nrog cov xim sib txawv los qhia lawv qhov chaw. Mounted saum puag nrog sawv ntsug
Sau koj cov lus ntawm no thiab xa rau peb