DUNYO BO’YLAB TARQALGAN O’RGIMCHAK XILLARI VA ULARNING TUZILISHI, KO’PAYISHI VA OZIQLANISHI.O’RGIMCHAKLARNING INSON HAYOTIDAGI AHAMIYATI.ZAHARLI VA ZAHARLI BO’LMAGAN O’RGIMCHAK XILLARI
Keywords:
O’rgimchaklar, qoraqurt, Sidney o’rgimchagi, bo’ri o’rgimchak, qizil o’rgimchak.Abstract
Uzunligi 0,1 mm dan 17 sm gacha. Ogʻiz organi soʻruvchi. Koʻzlari oddiy. Boshkoʻkragi ingichka poyacha orqali qorin bilan tutashgan yoki unga qoʻshilib ketgan. Qorinoyoqlari reduksiyaga uchragan yoki shaklan oʻzgarib taroqsimon oʻsimta, varaqsimon oʻpka yoki toʻr bezlarini hosil qiladi. Oʻpka yoki traxeyalar orqali nafas oladi. Ayirish organlari — malpigi naychalari va koksal bezlar. Koʻpchilik oʻrgimchaksomonlarda zahar bezlari bor.
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