The trachea has a muscular wall and cartilage rings to support the airway under varying pressure. Mucus traps dirt and is moved by cilia.
La trachea ha una parete muscolare e anelli cartilaginei per supportare le vie aeree sotto pressione variabile. La mucosa intrappola lo sporco e viene spostata dalle ciglia.
Front | Describe the structure of the trachea |
---|---|
Back | - muscle wall - cartilage rings to support airway as pressure changes occur - mucus secreted to trap dirt - moved toward throat by cilia |
Tags: gas_exchange
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