Respiratory system Part 1 Flashcards
Structural division of respiratory system
1-Upper respiratory Tract
2-Lower respiratory Tract
Upper respiratory tract components
1-Nasal cavity
2-Paranasal Sinuses
3-Phrynx
4-Layrnx
Lower respiratory tract components
1-Trachea
2-Bronchi
3-Bronchioles
4-Alveolar ducts
5-Alveolar sacs
6-Alveoli
Functional division of Respiratory system
1-Conducting zone
2-Respiratory zone
Conducting zone attributes & functions
1-Transport only air
2-no gas exchange
3-filter, humidification of air
Conducting zone components
1-Nose
2-Phayrnx
3-Layrnx
4-Trachea
5-Bronchi
6-Bronchioles
Respiratory zone function
gas exchange
Respiratory zone components
1-Respiratory Bronchioles
2-Alveolar ducts
3-Alveolar sacs
4-Alveoli
Nose compenants
1-External nose
2-nasal cavity
divided by septum
Framework of external nose?
Above:
1-nasal bones
2-Maxillae
3-Frontal bone
Below:
Plates of hyaline cartilage
Walls of nasal cavity?
1-Floor
2-Roof
3-Lateral wall
4-medial/septal wall
Later wall of nasal cavity contains?
Bones:
1-Superior nasal concha
2-Middle Nasal concha
3-inferior nasal concha
space below each concha is called?
Meatus
Medial wall of nasal cavity is formed
by nasal septum
Nasal cavity extension
nostrils in front
to posterior nasal choanae
