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ID number:149288
 
Evaluation:
Published: 18.09.2015.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Nepieciešamība
Kāpēc dzelzs ir nepieciešams cilvēka organismam?
Dzelzs ir saistīts ar asiņu sarkanās krāsas veidotāju, centrālais atoms asiņu sarkanajā krāsvielā - hēmā. Samazinoties sarkano asinsķermenīšu skaitam, līdz ar to organismam sāk trūkt skābeklis.
Nodrošina iekšējo elpošanu, pārnesot skābekli no plaušām uz audiem.

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