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....
The garbage gets into the oceans when people litter. Some boaters and beachgoers throw their trash directly into the water. Trash also gets thrown into rivers that flow into oceans. In fact, most ocean trash comes from rivers.In Australia, for example, 80 percent of ocean trash comes from waterways far from the sea. The biggest concern about ocean trash is that most of it is plastic.In some places, nearly 80 percent of the ocean trash that has been collected is made of plastic, according to the UN report. Plastic can take up to 1,000 years to biodegrade, or break down into smaller parts, once it's thrown away.he biggest concern about ocean trash is that most of it is plastic. In some places, nearly 80 percent of the ocean trash that has been collected is made of plastic, according to the UN report. Plastic can take up to 1,000 years to biodegrade, or break down into smaller parts, once it's thrown away.