Kaltakesak ichki tuzilishi bilan baqadan qanday farq qiladi?
1- yurak qorinchasida chala to’siq bo’ladi; 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. 1,3,5,8
  2. 1,4,5,7
  3. 1,3,5,7
  4. 2,3,5,8
924 / 1216 (76%)
Question 924 of 1216
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