4 words in this vocabulary list
noun a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action
noun a word that refers to a person, place, thing, event, substance, or quality
adjective a word that describes or gives more information about a noun
noun a type of psychoactive drug that is commonly used to treat conditions such as anxiety, insomnia, and seizures
adjective relating to or being affected by adrenaline or epinephrine