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What is All the statements given below are true about nerve supply of larynx except and explain in detail?
-Internal laryngeal branch gives sensory supply to larynx above the level of vocal cords -The superior laryngeal nerve ends by piercing theinferior constrictor of the pharynx and unites with anascending branch of the recurrent laryngeal nerve. Thisbranch is called Galen's anastomosis and is purely sensory