Anatomy of the Respiratory system Flashcards
Define pulmonary
Pulmonary means lungs
What are the airways
All the tubes through which air flows between external environment and alveoli.
What are the structural features of the Upper respiratory tract
Nose and paranasal sinuses
Pharynx
Larynx
What are the structural features of the lower respiratory tract
Trachea
Bronchi
Bronchioles
Alveoli
State the function of the upper respiratory tract
Warms and moistens and filters the air
State the functions of the nose
- Warms and moistens and filters air
- Contains receptors for smell
What are the names of the hairs at the entrance of the nose
Vibrissae
What are the vibrissae
These are hairs at the entrance to the nose which trap large dust particles.
What are the concahe and give the function of the conchae
Conchae are shelf like projections that create turbulence, allows more time to warm and moisten the air.
What are the mucosa
Pseudostratified ciliated columnar epithelium with goblet cells.
List the 6 functional adaptations of the nose
- Conchae
- Vibrassae
- Mucosa
- Rich capillary network
- Olfactory mucosa
- Paranasal sinuses.
What is the role of the pharynx
Pharynx forms a communal passageway for respiratory and GI systems.
State the 3 regions of the pharynx
Nasopharynx
Oropharynx
Laryngopharynx
State the main functions of the larynx
Maintains an open airway
Prevents food and drink entering the lower respiratory tract
Sound production
Coughing and defacaetion.
Olfactory mucosa
Located in the upper aspect of the nose
Contains receptors for smell.
