The insect gas exchange system involves spiracles, tracheae, and tracheoles that facilitate the exchange of gases to support respiration in insects. Spiracles lined with chitin control airflow, while tracheae and tracheoles enable oxygen to dissolve into the haemolymph through passive diffusion, sup

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Class Onycophora includes organisms like Peripatus, characterized by features such as possessing a thin cuticle, soft muscular body wall, scattered spiracles, cilia in genital organs, and wormlike body structure with unsegmented legs. They exhibit separate sexes, direct development, and possession o

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