The only cause for aspiration during the swallow is reduced laryngeal closure. During the swallow, the larynx closes at 3 levels: epiglottis and aryepiglottic folds, false vocal folds, and true vocal folds. In order for aspiration to occur during the swallow, food must penetrate all 3 levels.
Define trash. trash synonyms, trash pronunciation, trash translation, English dictionary definition of trash. n. 1. a. Worthless or discarded material or objects; refuse or rubbish. b. A place or receptacle where rubbish is discarded: threw the wrapper in the trash....
Dirt is unclean matter, especially when in contact with a person's clothes, skin or possessions when they are said to become dirty. Common types of dirt include: dust â a general powder of organic or mineral matter. filth â foul matter such as excrement. grime â a black, ingrained dust such as soot.