~ 10 ~
4-rasm Hashorotlarning traxeya sistemasi
A-qora suvarakning
asosiy traxeya naylari; B-bo‘g‘imlarida traxeyaning
shoxlanish sistemasining ko‘ndalang kesimi; V-bo‘g‘imlarda
traxeya nayining
uzunligicha kesilgan ko‘rinishi; S- traxeyaning traxeolalari bilan tugallanishi. 1-
ko‘krak; 2-
yuqori diafragma; 3- stigma; 4- nerv hujayra; 5-
pastki diafragma; 6-
traxeyalar; 7-8-9- traxeolalar.
Topshiriq :
~ 11 ~
Nazorat savollari:
Traxeya tuzilishini ayting?
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Nima uchun traxeyalar nafas olish davrida yopilib qolmaydi?
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Hashorot tanasida traxeyalarning tarqalish darajasini ayting.
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Suvda va quruqlikda yashovchi hashorotlar nafas olish tizimini farqlang.
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Nafas olish va tana issiqlik energiyasi o‘rtasidagi bog‘lanishni tushuntiring.
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Hashorotlarning nafas olish tezligini qaysi usulda sanash mumkin?
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