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.
Critical illness is a serious health condition that has a debilitating effect on an individualâs lifestyle and requires a considerable amount of money towards treatment. It may also lead to loss of income due to inability to work.