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.
Urgent care is a term for treatment for an illness or injury that needs attention but which is not a true medical emergency. Please read further to understand how to tell the difference between an urgent situation and a life-threatening one.