Branches of facial nerve: Temporal, Zygomatic, Buccal, Mandibular, Cervical... It branches out to innervate the muscles of the face and scalp, and also the salivary glands and lacrimal glands of the eye . Sensory information comes from the tongue.
This figure illustrates why posture is so important; the air we use must travel from the lungs into our natural resonator, the nasal cavity. Notice the smallness of the Pharynx; if my tongue pulls backwards into that space, my tone will not ring properly.