The parts of the vocal tract

1. Involves all the structure of the body that are used to create speech.

2. The larynx divides the structure in two sub-system

2.1. Supra-laryngeal

2.1.1. Active articulators

2.1.1.1. Lower lip

2.1.1.2. Tongue front

2.1.1.3. Tongue body

2.1.1.4. Tongue root

2.1.2. Passive articulators

2.1.2.1. Upper lip

2.1.2.2. Upper teeth

2.1.2.3. Alveolar ridge

2.1.2.4. Velum

2.1.2.5. Uvula

2.2. Sub-laryngeal

2.2.1. Vocal folds

2.2.2. Glottis

2.2.3. Lungs

2.2.4. Trachea

2.2.5. Diaphragm

3. .