The respiratory system present in Arthropoda is/are
Book gills
Book lungs
Tracheal system
All of these
Physiology of Arthropoda -
Respiration in Arthropoda:
Aquatic arthropods breathe through book gills.
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The terrestrial arthropods breathe through network of tracheal tubes connected to the outside via spiracles. Other arthropods use books lungs for respiration. Aquatic arthropods breathe through book gills.