In cockroach, respiration occurs through spiracles – a small opening on the sides of its body. When oxygen-rich air enters into the body of the cockroach via spiracles into the tracheal tubes, it diffuses into various tissues and cells of the body. .
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Explanation:
In cockroach, respiration occurs through spiracles – a small opening on the sides of its body. When oxygen-rich air enters into the body of the cockroach via spiracles into the tracheal tubes, it diffuses into various tissues and cells of the body. .
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Answer:
Spiracles
Explanation:
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