The organs of speech and their work. Introduction to sounds and letters. The system of English phonemes

1. 
   The organs of speech and their work.
   
2. 
   Introduction to sounds and letters.
   
3. 
   The system of English phonemes.
   
4. 
   Vowels. Consonant sounds.
   
5. 
   Monophthongs. Diphthongs.
   

Write a short summary for each theme which is given above. State clearly what have you learned during the lessons. Don`t copy from the internet or from someone`s job. Copied works and the same works will not be checked and marked!!!!