can anyone plz send the notes of animal kingdom, arthropods notes plz
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Phylum Arthropoda
They have organ system of organization. They are triploblastic, coelomate, bilaterally symmetrical with chitinous exoskeleton. Body consists of head, thorax and abdomen, jointed appendages (jointed feet). Respiratory organs are gills, book lungs or tracheal system with open circulatory system.
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