Chapter 23 - Respiratory System Flashcards Preview

Anatomy & Physiology > Chapter 23 - Respiratory System > Flashcards

Flashcards in Chapter 23 - Respiratory System Deck (148)
Loading flashcards...
1

all living cells of the body require _______

oxygen

2

functions of resp system

provide oxygen for cells
remove carbon dioxide from blood
regulate pH of body fluids

3

act of respiration involves

1. ventilation
2. gas exchange
3. transport of oxygen and carbon dioxide
4. gas exchange between blood and tissues

4

structures of the resp system

nasal cavity
pharynx
larynx
trachea
bronchi
lungs

5

upper resp tract is

nasal cavity
pharynx

6

lower resp tract is

larynx
trachea
bronchi
lungs

7

the nasal cavity is located inside the _______ and joins the _______

external nose
pharynx

8

_______ divides the nasal cavity into right/left halves

nasal septum

9

the anterior part of the septum is

cartiliage

10

posterior aspect of septum is made up of _______ and the _______ of the _______ bone

vomer
perpendicular plate
ethmoid

11

nares

nostril openings

12

the nares are lined with

stratified epithelium

13

floor of the nasal cavity is separated from the oral cavity by the

hard palate

14

functions of the nasal cavity

passageway for air when mouth is closed
cleans air
humidifies and warms the air

15

what cleans air in nasal cavity

mucous traps the debris

16

what secretes nasal mucous

goblet cells

17

where are nasal goblet cells located

pseudostratififed ciliated columnar epithelium of the conchae

18

what contains the olfactory epithelium

nasal cavity

19

where are paranasal sinuses located

nasal cavity

20

function of paranasal sinuses

resonate sound

21

_______ is a common opening in upper resp track

pharynx

22

what shares the opening of the pharynx

gi tract
respiratory system

23

how many regions of pharynx

3

24

what are regions of pharynx

nasopharynx
oropharynx
laryngopharynx

25

_______ is the superior part of the pharynx and extends from the internal nares to the level of the uvula

nasopharynx

26

what prevents food from entering the nasopharynx upon swallowing

soft palate
uvula

27

_______ extends from the uvula to the epiglottis

oropharynx

28

_______ is posterior to the layrnx and extends from the tip of the epiglottis to the esophagus

laryngopharynx

29

larynx has a casing of _______ that are connected

9 cartilage rings

30

larynx's cartilage rings are connected to each other by

muscles and ligaments