a open type it is also a cold blooded animal it system is 5 chambered nd help it to circulation in blood.
Leeches do not have a separate respiratory system. They absorb oxygen through their cuticle (skin) and it diffuses throughout the leech's body. Carbon dioxide leaves via the same route - diffusion toward the cuticle where it will diffuse out.
Any animal that breathes has a respiratory organ
Compared to what? It is the only respiratory organ in humans.
the primary respiratory organ for cockroach is trachea
the type of respiratory organ mollusks have is GILLS.
lungs is respiratory organ of cow
by antennary gland
The lungs
No, it's in the ear.
The Lungs.
The respiratory system.
The lungs are the main organ of the respiratory system, but they are also an organ in the circulatory system.