Anatomy

Which of the following is false about phases of swallowing

Oral phase: it's voluntary phase involving V, VII and XII nerve

Pharyngeal phase: is reflex and involuntary, chewing, breathing, coughing and vomiting concomitantly inhibited during this phase

Eosophageal phase: under voluntary neuromuscular control and involves peristalsis and relaxation phase.

Movement of bolus posteriorly is controlled by IX and X nerve