Final Histo - Respiratory System Flashcards
What are the three principle functions of the respiratory system; as well as two other functions
air conduction air filtration gas exchange (respiration) speech olfactory sensation
What are the two FUNCTIONAL divisions of the respiratory system
conducting division
respiratory division
This division of the functional division of the respiratory system consists of the nose, pharynx, larynx, trachea, bonchi, and bronchioles
conducting division
This division of the functional division of the respiratory system consists of the respiratory bronchioles, alveolar ducts, alveolar sacs, and aveoli
respiratory division
This division of the functional division of the respiratory system deals mostly with the air passageways to and in the lungs
conducting division
This division of the functional division of the respiratory system is where gas exchange takes place
respiratory division
These blood vessels enter the lung with the bronchi and branch as they follow the bronchiole tree
pulmonary blood vessels; from right side of the heart
Where do the pulmonary vessels end up
with the pulmonary capillaries in contact with the alveoli; the primary site of gas exchange
What is meant by the air being conditioned as it passes through the air passages
warming, moistening, and the removal of particulate materials
What type of secretions play a significant role in conditioning
mucous and serous
it moistens the air, traps particles, and prevents dehydration of the epithelium
Where does the mucous of the respiratory system come from
goblet cells and mucous secreting glands
This is located on the respiratory epithelium and its job is to sweep the mucous with the trapped particulate matter toward the pharynx to be swallowed
cilia
What type of epithelium is respiratory epithelium
ciliated pseudostratified columnar epithelium
What type of cells are found in respiratory epithelium
ciliated columnar cells
goblet cells
basal cells
This is a loose cognitive tissue layer containing blood vessels which warm the air and mucous glands
lamina propria
This is a connective tissue layer slightly denser than lamina propia containing blood vessels and glands
submucosa
This is composed of connective tissue that binds component to adjacent structures
adventitia
This connects nasal and oral cavities to larynx and esophagus and is a passageway for food and air
pharynx
What type of epithelium is found in the pharynx
respiratory epithelium
stratified squamous epithelium
What are the divisions of the pharynx
nasopharynx
oropharynx
laryngopharynx
Which divisions of the pharynx are a food and air passageway? strictly an air passageway?
food and air = oropharynx and laryngopharynx
air only = nasopharynx
What type of tissue is found in the nasopharynx
ciliated pseudostratified columnar epithelium
What type of tissue is found in the oropharynx and laryngopharyx
nonkeratinized stratified squamous epithelium
This is a passageway for air between the laryngopharynx and trachea; conducts air and serves as the speech organ
larynx
What type of epithelium covers the larynx
respiratory epithelium
What type of epithelium covers the vocal cords and epiglottis
nonkeratinized stratified squamous epithelium
What is the purpose of the cartilages of the larynx
maintaining open airway
sound production
valve during swallowing