Structure & Function Flashcards
1
Q
what are structures of the respiratory system
A
nasal cavities, pharynx, larynx, trachea, & lungs
2
Q
function of respiratory system
A
- exchange gases between lungs & blood
- regulate body temp by heating & cooling blood
- maintain electrolyte balance
3
Q
define nares
A
openings in nose; nostrils
4
Q
define nasal cavities
A
large space above nose separated by septum
5
Q
purpose of mucous membranes
A
- filter foreign bodies
- warm & moisten air
6
Q
purpose of sinuses
A
- resonating chamber for voice
- lessen weight of skull
- contain mucous membrane
7
Q
pharynx carries what
A
air & food
8
Q
list components of larynx
A
- vocal cords
- thyroid cartilage
- glottis
- epiglottis
9
Q
define glottis
A
space between vocal cords
10
Q
define epiglottis
A
flap covering larynx when swallowing
11
Q
purpose of trachea
A
move air between larynx & lungs
12
Q
purpose of C shape cartilage of trachea
A
framework & expansion
13
Q
define bronchi
A
division of trachea
14
Q
define hilum
A
notch in lung where each bronchi enter
15
Q
trachea & bronchi both have ____ that drive foreign material down the throat
A
cilia
