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In cockroach thread-like antennae arise from where?

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Membranous sockets lie in front of eyes and a pair of thread-like antennae arise from them. Antennae have sensory receptors. Mouth Parts: The mouthparts are at the anterior end of the head. The antennae monitor the surrounding environment with the help of the sensory receptors. The head also has appendages that bear similarity to the mouthparts, such as labrum, a pair of mandibles, a pair of maxillae, and a labium. There is also a flexible lobe called the hypopharynx that acts as a tongue.

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