what what is the trachea enforced by?
Expert: JamesStone replied 5 years ago. The trachea is reinforced with cartilage rings in order to keep the airway open. These rings reinforce the anterior and lateral sides, but are actually C shaped as opposed to complete rings which allows the trachea to constrict somewhat when swallowing food. As regards XXXXX XXXXX anatomical reason why most men have deeper voices than boys or women, it relates largely to the size of the larynx.