1-laboratoriya mashg’uloti Sudralib yuruvchilar sinfi. Ildam kaltakesakning tashqi va ichki tuzilishi

2 – topshiriq. Darslik va ko’rgazmali vositalar bilan ishlash (15 min).
1. Repteliyalarga tegishli rasmli jadvallarni doskaga osing.
2. Talabalarga o’quv materiallarni tarqating.
3. Talabalar savollariga javob bering.
4. 15 minutdan so’ng o’quv materiallarni yig’ib oling.


3 – ish. Rasmli topshiriqlar bilan ishlash (15 min).
1. Ildam kaltakesakning skeleti quyidagicha chiziladi:

2-rasm. Kaltakesak skeleti:
1-o`mrov suyagi, 2-kurak suyagi, 3-yelka suyagi, 4-bilak suyagi, 5-tirsak suyagi, 6-bilaguzuk, 7-kaft suyaklari, 8-barmoq falangalari, 9-ovurg`alari, 10-chanoq kamari, 11-son suyagi, 12-katta boldir suyagi, 13-kichik boldir suyagi, 14-tovon suyagi, 15-oyoq kaft suyaklari, 16-dum umurtqalari.





3-rasm. Kaltakesak bosh skeletining yon tomonlardan ko`rinishi: 13-burun suyagi, 14-jag`oraliq suyagi, 15-ustki jag` suyagi, 17-yosh suyagi, 18-ko`zusti suyagi, 19-ko`zorti suyagi, 20-tangacha suyagi, 21-chakkausti suyagi, 22-yonoq suyagi, 23-burun teshiklari, 24-kvadrat suyagi, 26-anotsimon suyak, 27-ustunsimon suyak, 28-ko`ndalang suyak, 29-qo`shilish suyagi, 30-tish suyagi, 31-burchak suyagi, 32-burchakusti suyagi.

4-rasm. Yelka kamari va oldingi oyoq skeleti: 1-o`mrov suyagi, 2-kurakusti tog`ayi, 3-kurak suyagi, 4-korakoid suyagi, 5-qovurg`a, 6-to`sh suyagi, 7-prokorakoid tog`ayi, 8-to`shusti suyagi, 9-yelka suyagi, 10-tirsak suyagi, 11-bilak suyagi, 12-bilaguzuk suyagi, 13-kaft suyagi, 14-barmoq falangalari.
4 – topshiriq.Munozara yordamida mavzuni mustaxkamlash (10 min).
Quyidagi savollarni navbat bilan o’rtaga tashlang va ularni muhokamasini tashkil eting.

1. 
   Ildam kaltakesakning gavda skeleti qanday tuzilgan?
   
2. 
   Ildam kaltakesakning bosh skeleti qanday tuzilgan?
   
3. 
   Ildam kaltakesakning oldingi va orqa oyoqlar skeleti tuzilishini tushuntiring.