100 species These worms, found in the lungs and nasal passages of vertebrates, are covered by a thick cuticle which is shed periodically. They have no circulatory or respiratory systems. Tongue worms occur mostly in the tropics. |
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Tongue worms
100 species These worms, found in the lungs and nasal passages of vertebrates, are covered by a thick cuticle which is shed periodically. They have no circulatory or respiratory systems. Tongue worms occur mostly in the tropics. |
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