takes in oxygen and releases carbon dioxide.
lungs
Respiratory
respiratory system
The alveoli of the lungs which is the respiratory system
Respiratory system is the system involved in respiration (the process by which an organism takes in oxygen and releases carbon dioxide).
Lungs.
Any animal that breathes has a respiratory organ
the type of respiratory organ mollusks have is GILLS.
the primary respiratory organ for cockroach is trachea
Compared to what? It is the only respiratory organ in humans.
lungs is respiratory organ of cow
The Respiratory System.