Respiratory System Flashcards
1
Q
Two divisions of the respiratory tract
A
- Conducting portion: nose –> terminal bronchioles
2. Respiratory portion: respiratory bronchioles –> alveoli (gas exchange)
2
Q
Epithelium of the Trachea
A
Respiratory - Pseudostratified columnar ciliated epithelium
3
Q
What is the lamina propria
A
Under epithelium; connective tissue, nerves, blood vessels
4
Q
What has a C-shaped ring of cartilage? What time of Cartilage?
A
Trachea
Hyaline cartilage
5
Q
What type of muscle is in the Trachea? Function?
A
Smooth muscle at the ends of the cartilage –> Trachealis muscle
Joins free ends of rings
Role in coughing
6
Q
Components of BRONCHUS (4)
A
Pseudostratified columnar ciliated epithelium
Hyaline cartilage
Seromucinous glands
Smooth muscle
