( )allows<br/>for both food and air to pass through. A: Esophagus. B: Larynx. C: Pharynx. D: Epiglottis.

What is the opening to the larynx called? A: trachea B: epiglottis C: laryngopharynx D: glottis

Food is prevented from going into the larynx by the （ ）. A: ligament B: epiglottis C: air sac D: epiphysis

_____ prevents from being chocked during swallowing. A: Pharynx B: larynx C: esophagus D: epiglottis

The( )is a pouch -like organ between the esophagus and the small intestine. A: bladder B: epiglottis C: stomach D: anus

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。