멍이나는이유1 멍이 뭔가요? / 멍이 드는 이유 / 멍이 자주 나요. / 멍과 관련된 질환 Bruises are common. When you bump into somthing, like bed or hard couch, you may injure tiny blood vessels.Bruises happen when blood leaks out of your veins and capillaries and pools under your skin because there isn't an opening for the blood to get out of your body. Blood cells called platelets stop your bleeding, but the pool of blood under your skin can change your skin color and cause swell.. 2024. 10. 15. 이전 1 다음 반응형