Some substances are more toxic than others. The toxicity of a substance is described by the types of effects it causes and its potency. 1  Types of Effects: Different chemicals cause different effects.
I think I remember reading that injured means bruises and lascerations, seriously injured meant hospital but not life threatening, critically injured meant hospital ICU time and fatally injured meant injuries leading to dying sometime later.
an injury in which your skin or flesh is damaged, usually seriously. When a wound gets better it heals He suffered serious wounds to his back and stomach. a head/chest/leg wound: There was blood pouring down his face from a head wound. Synonyms and related words. Injuries and wounds:injury, loss, wound...