2. List major organs in the upper and lower respiratory tracts 3. The nasal cavity is lined with a mucous membrane They are

2. **Major Organs of the Respiratory Tract:**<br /><br />* **Upper Respiratory Tract:**<br /> * Nose and Nasal Cavity<br /> * Pharynx (throat)<br /> * Larynx (voice box)<br /><br />* **Lower Respiratory Tract:**<br /> * Trachea (windpipe)<br /> * Bronchi (and their smaller branches, bronchioles)<br /> * Lungs (including alveoli)<br /><br /><br />3. The nasal cavity is lined with a mucous membrane. These membranes are **ciliated** (covered in tiny hair-like structures) and contain **goblet cells** that secrete mucus.<br />