~ 12 ~
Yuqorigi va pastki diafragma ________________________________________
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Ichak______________________________________________________________
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Barcha organlarni o‘rganib tuzilishiga
izoh bering, rasmini chizing.
Topshiriq 2. Suvda yashovchi hashorotlar nafas olish tizimi (Suv qo‘ng‘izi)
Havo kamerasi (qanot qalqoni va qorin tergiti oralig‘i)
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Nafas teshigi (shakli, teshik osti tuklari)
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Suv to‘ng‘izi nafas olishini suv to‘ldirilgan eksikatorda saqlash yo‘li
bilan
o‘rganing.
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