thing that connects tongue to bottom of mouth
Frenulum of tongue The frenulum of tongue or tongue web (also lingual frenulum or frenulum linguÃ¦; also fraenulum[1]) is a small fold of mucous membrane extending from the floor of the mouth to the midline of the underside of the tongue.
Palatine uvula During swallowing, the soft palate and the uvula move together to close off the nasopharynx, and prevent food from entering the nasal cavity.