لماذا يحمر وجهي عند ممارسة الرياضة؟

17 مارس 2013

احمرار الوجه عند ممارسة الرياضة يعود الى تمدد الشعيرات الدموية او الأوعية الدموية الموجودة مباشرة تحت سطح الجلد، فعندما يتضخم الوعاء الدموي يندفع باتجاه سطح الجلد، ويصبح ظاهرا، هذا التمدد يتم لنقل الحرارة الداخلية الناتجة عن التمرين، بواسطة مجرى الدم الى سطح الجلد، حيث يتم انتقال الحرارة من سطح الجلد الى الخارج.

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