This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trachea, Subject name: Anatomy
[{'content': 'Cartilage in trachea - \nSelect and explain. \nA. Hyaline, B. Elastic, C. Articular, D. Fibro', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Hyalineo Tracheal rings are hyaline cartilage.Types of Cartilages Hyaline CartilageElastic CartilageFibrocartilage Articular cartilageArytenoid cartilageThyroid cartilageCricoid cartilageEpiphyseal growth plateNasal septumCostal cartilage of ribsTracheal rings ExampleAuricleAuditory tubeEpiglottisCuneiform cartilage of larynxExternal auditoiy canalArticular discsIntervertebral discsMenisciPublic symphysisAcetabular labrum", 'role': 'assistant'}]