Interjections (sometimes called exclamations) are used to express strong feeling or emotion, usually that occurs quickly.

Don’t touch that!


For more information about the different parts of speech take a look at

The Basics of English Grammar

Other links for Interjections
XX List of Common Interjections
XX Definition of Interjection
XX Function of Interjection

An explanation of an interjction- including their function, type, placement and formation–