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Kitengo cha 4: Maji na Usafiri

  • Page ID
    178612
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    Katika Kitengo cha 4, wanafunzi huchunguza njia kuu za usafiri kwa vifaa vinavyohitajika kusaidia mwili wa binadamu, kudhibiti mazingira yake ya ndani, na kutoa ulinzi.

    Thumbnail: Mtiririko wa damu kupitia vyumba vya moyo. (Domain ya Umma;Josinho (8).