Lab 6: Respiratory System Flashcards
What moistens and warms incoming air? (Part of the Upper Respiratory: Nasal Cavity)
Turbinates
______________ are canals that border the turbinates.
Meatuses
What is the names of the four sinuses?
Frontal
Ethmoidal
Maxillary
Sphenoidal
What are the functions of the sinuses?
Decrease weight of skull
Produce Mucus
Increase Resonance (of voice)
The oral cavity is separated by the _________ and _________ palate.
hard
soft
What is the area between the lips and the gums called?
Vestibule Space
The _____________ is a common pathway for food/air.
pharynx
What are the three pharynxs?
Nasopharynx
Oropharynx
Laryngopharynx
The adam’s apple is also known as?
laryngeal prominence
What routes air and food?
epiglottis
What is the trachea kept open by?
cartilage
What constricts the trachea?
Trachealis Muscle
What is the trachea lined with?
pseudostratified epithelium tissue
What does the pseudostratified epithelium tissue do in the trachea?
Entraps microorganisms in mucus and sweeps it away.
The trachea bifurcates at the ______________.
carina
Bronchioles terminate in tiny air-filled sacs called ______________.
alveoli
Gas exchange in the lungs occurs in the _____________-_____________ interface.
alveoli-capillary
What is pneumonia
When fluid builds up in alveoli preventing O2 exchange.
Where is stratified squamous tissue found in the respiratory system?
oral cavity & pharynx
Where is pseudostratified ciliated columnar tissue found in the respiratory system?
trachea & bronchi
What kind of epithelium tissue is in alveoli that does gas exchange?
simple squamous
What allows for the elastic recoil of the lung, which forces oxygen out?
Elastic Fibers
What reduces surface tensions with surfactant?
Septal Cells
What produces Surfactant?
Septal Cells