the bronchioles
The Digestive System and also the Respiratory System.
The Respiratory System includes the lungs.
the nose belongs to the respiratory system.
Just like humans, squirrels contain lungs, the major breathing organ in the respiratory system.
An organ system contain many organs which are working together for common purpose.eg.respiratory system is meant for respiratory process which contain many organs starting from nose,nasopharynx,pharynx,trachea,bronchii to lungs.An organ is part of an organ system which usually perform a single or multiple functions.
The lungs are the main organ of the respiratory system, but they are also an organ in the circulatory system.
Skeletal system .
The respiratory system.
The respiratory system is the organ system that moves air into and out of your body.
The main organ in the respiratory system the lungs.
The trachea is the airway in the respiratory system.
respiratory system