in the head are the organs of articulation and two cavities: the oral cavity(mouth) and the nasal cavity(mose). The organs of articulation in the upper part of the mouth are the uvular. the soft palate, the hard palate the alveolar ridge, the upper teeth and the upper lip. These may be described as places or points of articulation. The organs of articulation in the lower part of the mouth are the tongue, the lower teeth and the lower lip. The tongue has been divided into three parts: The back. the front and the apex or tip). These organs in the lower part of the mouth may be described as articulators.