Question

What is the difference between the upper and lower respiratory tract?

Answer 1

Upper respiratory tract:

The upper respiratory tract is the topmost part of the respiratory tract.

Lower respiratory tract:

The lower respiratory tract refers to the lower part of the respiratory tract.

Difference between the upper and lower respiratory tract:

Upper respiratory tract	Lower respiratory tract
1. The upper respiratory tract is the topmost portion of the respiratory system and is primarily engaged in air conduction.	1. The lower respiratory tract is the part of the respiratory tract that is most active in gas exchange.
2. The higher portions of the respiratory system above the lungs.	2. The lowest sections of the respiratory tract that occur within the lungs.
3. The nose, sinuses, throat, larynx, and trachea are all part of the upper respiratory system.	3. Bronchi, bronchioles, and alveoli make up the lower respiratory tract.
4. The pseudostratified epithelium lines the cavity.	4. The simple squamous epithelium lines the alveoli and bronchioles.
5. The primary role is to transport air to the lower region of the respiratory system.	5. The primary functions are air transport and gas exchange.
6. Upper respiratory tract infections include the flu, common cold, laryngitis, sinusitis, and tonsillitis.	6. Lower respiratory tract diseases include pneumonia, TB, bronchitis, and bronchiolitis.