This is an example of ODD or Oppositional Defiance Disorder.
This is a diagnosis where a child just blatantly disobeys and has issues with being told what to do by anyone; especially authority figures.
 
        
             
        
        
        
“ The nose- Warms and moisten air. The nasal cavities are involved in the resonance of tones.
 The oral cavity- Includes the lips, teeth, and tongue. The structures serve as articulators.
 The pharynx and the oral cavity- Both act as resonators that selectively amplify to varying degrees of intensity, fundamental tones and overtones.
 The larynx- An organ consisting of a cartilaginous framework containing muscles and joints. The vibratile part of the larynx are the vocal folds which are the producers of sound.
 The Lungs- They supply a stream of air which passes through the trachea. 
 The vocal folds- They vibrate throwing the stream of air into a series of complex vibrations. (Punt, 1979 and Henderson, 1979).”
        
             
        
        
        
your musculoskeletal system responds to stress by tensing up your muscles. Muscle tension is a response to stress. If you've ever noticed that you're stressed out youll notice your body will naturally tense up. Once the stress passes your muscles will relax.