Respiratory System Flashcards
(44 cards)
Components of the upper respiratory system
Nose, nasal cavity, pharynx, larynx.
Components of the lower respiratory system
Trachea, bronchi, bronchioles, alveoli, lungs and diaphragm.
Functions of the respiratory system
Exchanging oxygen and carbon dioxide, olfaction, speech, and maintain homeostasis.
Paranasal sinuses
Frontal, sphenoidal, ethmoidal, maxillary.
Other name for pharynx
Throat
Epiglottis
Closes the trachea during swallowing and is the guardian of the airway.
Pulmonary ventilation
Breathing; includes inhalation and exhalation.
Vital capacity
Total amount of ait that can be forcefully inspired or expired from the lungs in one breath.
Dyspnea
Laboured or difficult breathing.
Hypoxia
Inadequate oxygen at the cellular level.
Anoxia
Inadequate oxygen at the system or organism level.
Hiccups
Spasm of the vocal cords and contraction of the diaphragm.
Olfaction
The sense of smell.
Anterior nares
Nostrils
Posterior nares
Nasal entrance into the pharynx.
Conchae
Ridged projections in the walls of the nasal cavity.
Meatuses
Grooved passageways between the conchae.
Paranasal sinus functions
Lighten the skull and act as resonance chambers.
Frontal sinus
Found superior to the eyebrows.
Sphenoidal sinus
Found behind the eyes.
Ethmoidal sinus
Found between the nasal cavities and the eyes.
Maxillary sinus
The largest paranasal sinus. Found inferior to the cheekbones and superior to the upper teeth.
Pharynx
A muscular tube which connects the nasal cavity to the larynx.
Sections of the pharynx
Naso, oro and laryngo
