Kalkateksak ichki tuzilishi jihatdan baqadan qanday farq qiladi?
1)boshi bo’yin umurtqasi orqali harakatchan birikkan; 2)boshi bo’yin umurtqasi bilan harakatsiz birikkan; 3)ko’krak qafasi yo’q; 4)ko’krak qafasi bor; 5)o’pka devori katakchalarga bo’lingan; 6)o’pka devorida katakchalar yo’q; 7)faqat o’pka bilan nafas oladi; 8)o’pka, teri orqali nafas oladi

  1. 1,4,5,7
  2. 1,3,5,8
  3. 2,3,5,8
  4. 1,3,5,7
  5. 2,4,5,8
910 / 1216 (75%)
Question 910 of 1216
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