• 2022-06-11
    The food mass descends into the oropharyngeal canal, where it is prevented from entering the larynx by the pharyngeal muscles, which cause the epiglottis to cover the larynx.
    A: 食物团进入口咽管内,并且阻止喉内的咽喉肌肉通过食物。
    B: 食物团进入口咽管内,咽部肌肉会盖住喉部以阻止食物团进入喉内。