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10. The air tubes present in insects areSpiraclesO TracheaeΟ Ο ΟGillsO Stomata​

Answer»

ong>Answer:

spiracles

Explanation:

INSECTS have spiracles, that are OPENINGS on exoskeletons to allow air to ENTER the tracheae. These are connected to tracheal tubes that deliver OXYGEN DIRECTLY into the tissues of insects



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