Respiratory System Topic 14 Flashcards
What are the main functions of the respiratory system?
- Air movement
- Exchange of gases
What are the two subdivsions of the RS?
- Upper
- Lower
What are the parts of the upper part of the RS?
- Nose
- Nasal Cavity
- Pharynx
What are the parts of the lower RS?
- Larynx
- Trachea
- Bronchial Tree
- Lungs
All parts of the RS has what similar characteristics?
- Lined with mucosa
- Epthelial tissue
How can the RS epithelial tissue be described?
Ciliated pseudostratified columanr epithelium
What is the scientific name for nostrils?
Nares
What is the nose supported by?
- Bone
- Hyaline Cartilage
What are the functions of the Nasal Cavity?
- Airway Passage (heat + moisten air)
- Olfaction
- Speech (resonance chamber)
What divides the nasal cavity?
The Nasal Septum
What is the anterior part of the nasal septum called?
Hyaline Cart
What is the posterior part of the nasal septum?
- Vomer
- Ethmoid
- Maxilae
- Palatine Bones
What are the 3 areas of the the nose?
- Vestibule
- Respiratory area
- olfactory area
Where is the vestibule and what is it lined with?
Anterior region and lined with coarse hairs
Where is the respiratory area located?
Posterior region
Where is the olfactory area located and what is it’s purpose?
- Roof of cavity
- Sense of smell