Apedia

A-Level Biology OCR A

Trachea Structure Cartilage Describe Explain Makes Adapted Function

Front Describe the structure of the trachea & explain how its structure makes it adapted for its function
Back Trachea:
  • Main function: airway carrying clean warm moist air from nose into chest
  • Wide tube supported by flexible cartilage - stop trachea from collapsing
  • Incomplete cartilage rings - food can move easily down oesophagus behind the trachea
  • Lined with ciliated epithelium with goblet cells - secrete mucus to trap dust and pathogens which is moved away by cilia to be swallowed and digested

Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.

Next card: Structure bronchi trachea left describe explain makes adapted

Previous card: Air structure nasal temp humidity dust surfaces describe

Up to card list: A-Level Biology OCR A