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ID number:229504
 
Evaluation:
Published: 24.01.2011.
Language: Latvian
Level: Elementary school
Literature: 1 units
References: Not used
Extract

Resnā zarna
zarnas sākumdaļā ir maisveida nodalījums- aklā zarna
Reanajā zarnā nonāk nesagremotās barības vielas
Tās uzdevums ir uzsūkt no šīm vielām ūdeni un veidot fekāliju masu
Resnajā zarnā ir mikroorganismi kas sintizē vitamīnus un izdala siltumu

Nesagremotās barības atliekas neilgi uzkrājas taisnajā zarnā un caur anālo atveri tiek izvadītas no organisma.




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