Respiratory system Flashcards
Describe the vestibules
Anterior portion of the nasal cavities just inside the nostrils
What does a sense of smell detect
Olfactory stimuli
Where is the nasopharynx
Uppermost portion of the pharynx located in the nose
What connects the pharynx and the trachea
Larynx
What controls pitch
Tension on the true vocal cords
Describe the trachea
• Tubular passageway for air
– Anterior to esophagus
– Extends from cricoid cartilage to fifth thoracic vertebrae
Describe the lobar bronchi
Divisions of the primary bronchi
Describe the lungs
The lungs are paired, cone shaped organs located in and filling the pleural divisions of the thoracic cavity. 3 lobes on the RT and 2 lobes on the LT lung.
Terminal bronchioles subdivided into microscopic branches called what
Respiratory bronchioles
What is another name for alveolar ducts
Atria
Define external respiration
Is the exchange of gases between the lungs in the blood, the second process
What are pulmonologist
Physician who specializes in the diagnosis and treatment of diseases of the lung
What is functional residual capacity
It is the volume of gas in the lungs at the end of a normal tidal volume exhalation 
What is the septum
Divides the nose into right and left nasal cavities
What are alveoli
Grape like outpouchings of lined with epithelium in the lungs
What secretes surfactant?
The alveolar type -2 cells of the lungs
What is Fauces
Opening to the oropharynx
What are the three unpaired pieces of Cartlidge in the larynx
Epiglottis, thyroid and cricoid
Where does mucous come from
Goblet cells
In what direction does the diaphragm move
Down
What other system does the respiratory system work very closely with
The circulatory system
