The number of spiracles present in a cockroac | vedclass

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(D) In a cockroach $(Periplaneta \ americana)$, the respiratory system consists of a network of trachea that open through $10$ pairs of small holes ca

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$10$

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(D) In a cockroach $(Periplaneta \ americana)$, the respiratory system consists of a network of trachea that open through $10$ pairs of small holes called spiracles present on the lateral side of the body.These $10$ pairs are distributed as follows:$2$ pairs are located in the thoracic region.$8$ pairs are located in the abdominal region.Therefore, the total number of spiracles is $10$ pairs.

The number of spiracles present in a cockroach is: (in $pairs$)

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