What are adaptation of an insect for efficient gaseous exchange.

Adaptation of an insect for efficient gaseous exchange

• Has highly branched tracheal system that ramify the whole body up to individual cells
• Tubules open to atmosphere to receive oxygen through spiracles
• Tracheoles have thin walls to facilitate diffusion of gases
• Tracheal system is ventilated by contraction of abdominal and thoracic muscles.

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