7
Question
The entry of oxygen rich air in insects like grasshopper, cockroach and housefly take place through
The entry of oxygen rich air in insects like grasshopper, cockroach and housefly take place through
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Solution
The correct option is D Spiracles
Spiracles are openings on the surface of some animals which usually lead to respiratory systems. Insects like grasshopper, cockroach, housefly have spiracles on their exoskeletons to allow air to enter trachea. In the respiratory system of insects, the tracheal tubes primarily deliver oxygen directly into the animal's tissues.
Therefore, the correct answer is option D.
Spiracles are openings on the surface of some animals which usually lead to respiratory systems. Insects like grasshopper, cockroach, housefly have spiracles on their exoskeletons to allow air to enter trachea. In the respiratory system of insects, the tracheal tubes primarily deliver oxygen directly into the animal's tissues.
Therefore, the correct answer is option D.
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