Even the external openings of tracheal tubes , by which the insects breathe , are sunk deeply under the hard integument and are further protected by a filter of hairs , which effectively retards the escape of water vapour from inside . जिन वातक नलिकाओं के द्वारा कीट सांस लेते हैं उनके बाहरी रंध्र तक कठोर अध्यावरण के नीचे गहरे स्थित होते हैं और रोमों के निस्यंदकों द्वारा और भी रक्षित रहते
How to say tracheal tube in Hindi and what is the meaning of tracheal tube in Hindi? tracheal tube Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.
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