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Question
Number of spiracle pairs in Periplanata americana is
Number of spiracle pairs in Periplanata americana is
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Solution
The correct option is C 10
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. Thin branching tubes carry oxygen from the air to all parts. The opening of the spiracles is regulated by the sphincters. So the correct answer is '10'.
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. Thin branching tubes carry oxygen from the air to all parts. The opening of the spiracles is regulated by the sphincters.
So the correct answer is '10'.
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