The document discusses the organs that make up the speech apparatus and the articulators involved in producing speech sounds. It notes that the first element to contact the vocal cords is air, which distinguishes between voiced and unvoiced consonants. The active articulators that can move include the lips, tongue, vocal cords, lungs and certain teeth, while passive articulators that cannot move include other parts of the lips, teeth and palate. Consonant sounds are described by their voicing, place and manner of articulation. The document also discusses linguistic inconsistencies in English spelling and differences between orthography and phonology.