لماذا يحمر الوجه عند الشعور بالخجل او الغضب؟

24 أغسطس 2013

عند الشعور بالحرج أو الخزي أو الغضب يتحول لون الوجه الى الأحمر، وسبب هذا الاحمرار زيادة النشاط في العصب السمبثاوي مما ينتج عنه توسع الشعيرات الدموية للأوعية الدموية في الوجه أو الوجنتين أو الرقبة أو الأذنين والتي تتميز بوجود عدد كبير من الشعيرات الدموية فيها، فيظهر اللون الوردي على البشرة.

معلومات علمية، معلومات ثقافية

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أخر المواضيع من قسم : معلومات علمية، معلومات ثقافية

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