Answer:
1. Trachea - Connects the Air-Recieving organs to the lungs
2. Bronchi - As the name, Branches out from the trachea
3. Bronchioles - Continously branches out from the trachea until it ends
4. Alveoli - Tiny air sacs that is sorrounded by blood vessels to receive the oxygen and pump out waste material
5. Nostrils - It needs two nostrils to pump in and out enough oxygen and waste products, respectively.
