phonetics, studies speech sounds. It deals with how we produce speech sounds and how we perceive speech sounds. There are three major aspects to the study of phonetics: articulatory phonetics (the exploration of how the human vocal tract or apparatus produce speech sound, the way the articulators or speech organs interact together to produce sounds); acoustic phonetics (studies the sound waves the human vocal apparatuses produce; it deals with the physical or acoustic properties of speech sounds) and auditory phonetics (this studies or determines how the human ear perceives speech sounds which the articulators,the third unit in the first year English syllabus is about English consonants,it is mainly about the production and articulation of those consonants