Resipatory System Flashcards
Name four parts of the respiratory system ?
1) trachea
2) lungs
3) ribs
4) diaphragm
What is bulk flow ?
Bull flow moves large #!of molecules quickly
Once oxygen gets near the blood then simple diffusion occurs
When your lungs are empty your diaphragm relaxes
True of false
True
What is the diaphragm ?
A set of muscles that separate your thorax from your abdomen
When you breathe in air your diaphragm contracts
True or false
True
What are the external intercostal muscles functions ?
They loft the ribs up and out causing the chest cavity to expand
What is the function of the respiratory function ?
It exchanges oxygen and carbon dioxide between the air and blood
Name the two Tracts of the respiratory system
Upper Tract
- nose
-nasal cavity
Pharynx and associated structures
Lower tract
-larynx , teaches , bronchi , lungs
What are the five external parts of the nose?
Hyaline cartilage Nasal bone Maxmilla Fatty tissues External nares (nostril)
Name three parts of the internal portion of the nasal cavity
1) paranasal sinus
Channels that open to allow the passage of air
2) olfactory epithelium
3) nasal concha , slows down incoming air
What are the 3 functions of the nasal cavity (nose)?
1( Moistens and filters incoming air
2) smell (olfactory epithelium )
3) alters speech sounds through the paranasal sinuses
How does the nasal cavity Function over all ?
Air is warmer by underlying blood vessels
Then the mucus membrane secreted mucus and water
This helps the nostril hair trap mucus and incoming foreign particles
Describe three major details of the respiratory epithelium ?
1) the epithelium is ciliated
2) contains mucus secreting goblet cells
4) the epithelium stretches from the nasal cavity to the bronchi
The epithelium skin type is pseudo-stratified columnar epithelium
What are the three parts that divide the pharynx ?
1) nasopharynx
2) oropharynx
3) laryngopharynx
What is the function of the larynx ?
Connects the pharynx and trachea together ( trachea has vocal cords)
What are the four functions of then pharynx ?
1) passage way for food and air
2) houses tonsils
3) had auditory tube openings
4) alters speech sounds