Degulitition occurs in two phases: buccal and pharyngeal-esophageal.
The system of swallowing, also known as deglutition, involves the movement of materials from the mouth (oral hollow space) to the belly thru the pharynx and esophagus. Swallowing is important and complicated conduct found out very early in development.
Deglutition is split into three phases: oropharyngeal, esophageal, and gastroesophageal. The oropharyngeal phase is controlled through the trigeminal (CN V), facial (CN VII), glossopharyngeal (CN IX), vagus (CN X), and hypoglossal nerves (CN XII).
Swallowing, or deglutition, is a complicated reflex mechanism by way of which food is driven from the oral hollow space into the esophagus after which pushed to the stomach. This movement of meals from the oral hollow space onto the esophagus and stomach by way of pushing is called propulsion, and it's far a crucial part of the digestive system.
Learn more about the digestive system here: https://brainly.com/question/1615825
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