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Correct path of air during respiration of Periplaneta isA. Mouth, bronchial tube, trachea, oxygen enters cellsB. Spiracles in prothorax, tracheoles, trachea, oxygen diffuses into cellsC. Hypopharynx, mouth, pharynx, trachea, tissuesD. Spiracles in metathorax, trachea, tracheoles, oxygen diffuses into cells

Answer» Correct Answer - D


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