Injury is damage or harm caused to the structure or function of the body caused by an outside agent or force, which may be physical or chemical. Injury may also refer to injured feelings or reputation rather than injuries to the body. A severe and perhaps life-threatening injury is called a physical trauma. Injury to hospitals via an ambulance. The abrasion pictured is not severe.]] Bruise is a hemorrhage under the skin caused by contusion. Wound: cuts and grazes are i