كيف تعمل العضلات وماذا يحدث عندما تنقبض العضلات وعندما تنبسط اوضح ذلك

كيف تعمل العضلات ? وماذا يحدث عندما تنقبض العضلات وعندما تنبسط ? أوضح ذلك . حل كتاب العلوم للصف السادس الابتدائي الفصل الدراسي الاول

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كيف تعمل العضلات وماذا يحدث عندما تنقبض العضلات وعندما تنبسط اوضح ذلك

أخر المواضيع من قسم : اسألني