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.
Injury, hurt, wound refer to impairments or wrongs. Injury, originally denoting a wrong done or suffered, is hence used for any kind of evil, impairment, or loss, caused or sustained: physical injury; injury to one's reputation. Hurt suggests especially physical injury, often bodily injury attended with pain: a bad hurt from a fall. A wound is usually a physical hurt caused by cutting, shooting, etc., or an emotional hurt: a serious wound in the shoulder; to inflict a wound by betraying someone's trust. Antonyms Expand. 1. benefit.