| A | B |
|---|
| concussion | an injury of the brain, resulting from a hard blow that causes unconsciousness |
| dislocation | injury in which the ends of bones are pulled out of a joint |
| fracture | a break or crack in a bone |
| cramp | a painful, involuntary, muscle contraction |
| sprain | a joint injury in which the ligament and tendons aroung a joint are stretched or torn |
| strain | a tear in a muscle or tendon |
| hyperventilation | very fast breathing |
| bruise | injury to the skin and underlying tissue in which blood vessels ooze blood and turn dark |
| abrasion | a scrape type of wound |
| dehydration | the loss of water from body tissues |
