ما أثر التمارين الرياضية المجهدة في الجسم

التفكير الناقد ـ ما أثر التمارين الرياضية المجهدة في الجسم

حل كتاب العلوم للصف السادس الابتدائي الفصل الاول

الحل ـ عندما يقوم الشخص بعمل تمارين رياضية يزداد معدل نبضات القلب ليزيد من كمية الأكسجين الواصل للخلايا لإنتاج الطاقة، وعندما يقوم الشخص بتمارين مجهدة لا يصل الكسجين إلى الخلايا بكميات كافية فتقوم الخلايا بعملية التنفس اللاهوائي، وينتج عن العملية تكون حمض اللاكتيك الذي يؤدي زيادة تركيزه إلى الإعياء

أخر المواضيع من قسم : ejabty

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ما أثر التمارين الرياضية المجهدة في الجسم

أخر المواضيع من قسم : ejabty