1 – Faringe
2 – Esofago
3 – Trachea
4 – Narici
5 – Seni nasali
6 – Bronchi
7 – Bronchioli
8 – Polmone
9 – Cuore
1 – Faringe
2 – Esofago
3 – Trachea
4 – Narici
5 – Seni nasali
6 – Bronchi
7 – Bronchioli
8 – Polmone
9 – Cuore