12. Which organs or
respiratory adaptations do
aquatic and terrestrial
arthropods respectively
present?

Gap-fill exercise

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In crustaceans, typical aquatic ,
there are richly vascularized that
make contact with and permit gas
exchange. terrestrial insects the
respiration tracheal and gases flow
small tubes that connect
animal external surface and to
tissues and cells the
participation of blood. arachnids,
besides the tracheal , book
lungs (thin folds leaves in a
book) also exist.