Week Four: Breath Of Fresh Air Flashcards
What is ventilation
Mechanical process of breathing
Bringing fresh air into the lungs
What is respiration
Exchange of gases between the atmosphere and body cells
What are the structures in the upper respiratory tract
Nose Mouth Pharynx Epiglottis Larynx
What are the structures of the lower respiratory tract
Trachea*
Bronchial tree
Lungs
What are the fictions of the nose?
Air enters and exits the body through the nose
What are the functions of nasal turbinates?
Warm, humidify, and filter air
Combining forms for nose
Nas/o
Rhin/o
What are the external openings of the nose?
Nares
What are the functions of sinuses?
Generate and store mucus
Makes the bones of the skull lighter
Combining forms for sinuses
Sinus/o
Where is the frontal sinus
Between nasal cavity and orbit
Where is the maxillary sinus
Between nasal cavities
What are the four other sinuses
Sphenoid
Palatine
Lacrimal
Conchal
Where is the pharynx
Area at the back of the nasal cavity and mouth (where they meet) that leads to the larynx
Combining form for pharynx
Pharyng/o
What is the pharynx in laymans terms
Throat
What is the function of the soft palate
During swallowing it moves dorsally and caudally to block the nasopharynx
Prevents food from entering nasal cavity
Combining form for palate
Palat/o
What is the function of the epiglottis
Covers the larynx during swallowing
Allows food to enter the esophagus
Combining form for epiglottis
Epiglott/o
Where is the larynx
Between pharynx and trachea
Combining form for larynx
Laryng/o
What is larynx is laymans terms and what does it contain
Voice box
Vocal cords
What is the space between the vocal cords called
Glottis
Where is the trachea and what are it’s functions?
Extends from neck to chest
Passes air from larynx to respiratory structures in thoracic cavity
Combining form for trachea
Trache/o
What is the trachea is laymans terms
Windpipe
The trachea divides into two branches at the tracheal bifurcation to form what?
Bronchi
Combining form for bronchi
Bronch/o
Bronchi continue to get smaller on diameter until they become what
Bronchioles
Do bronchioles contain cartilage
No
Combining form for bronchioles
Bronchiol/o
What does the suffix -ole mean
Small
What are alveoli
Clustered sacs at the end if bronchioles where gas exchange occurs