Respiratory System

Question 1

Function of respiratory system

Answer 1

For breathing

Question 2

Gas exchange between blood and air at alveoli; O2 in air diffuses in blood; CO2 in blood diffuses in air

Answer 2

External Respiration

Question 3

Between the lungs and the cells of the body; performed by the cardiovascular system

Answer 3

Transport of respiratory gases

Question 4

Air moves in and out of lungs; continuous replacement of gases in alveoli

Answer 4

Pulmonary ventilation

Question 5

Transporting fluid

Answer 5

blood

Question 6

Gas exchange in capillaries between blood and tissue cells; O2 in blood diffuses in tissues; CO2 waste in tissues diffuses in blood

Answer 6

Internal Respiration

Question 7

Waste product respiration

Answer 7

CO2

Question 8

Zones of Respiratory System

Answer 8

Conducting Zone and Respiratory Zone

Question 9

Passage that carries air to the site of gas exchange

Answer 9

Conducting Zone

Question 10

Site of gas exchange

Answer 10

Respiratory Zone

Question 11

provides airway

Answer 11

nose

Question 12

for smelling

Answer 12

olfactory receptors

Question 13

divides the nasal cavity

Answer 13

nasal septum

Question 14

connects nasal cavity with pharynx through??

Answer 14

choanae

Question 15

floor of nasal cavity is formed by??

Answer 15

palate

Question 16

what makes up the linings of the nasal cavity??

Answer 16

vestibule

Question 17

describe respiratory mucosa

Answer 17

pseudostratified ciliated columnar epithelium

Question 18

two cells of the respiratory mucosa

Answer 18

serous cells and mucous cells

Question 19

cell that secretes mucous

Answer 19

mucous cells

Question 20

cells that secretes watery fluid with digestive enzymes

Answer 20

serous cells

Question 21

increases turbulence of air

Answer 21

nasal conchae

Question 22

lightens the skull

Answer 22

paranasal sinuses

Question 23

houses tonsils

Answer 23

pharynx

Question 24

3 parts of pharynx

Answer 24

nasopharynx, oropharynx, laryngophraynx

Question 25

2 parts of pharynx that are passageways for food and air

Answer 25

oro and laryngopharynx

Question 26

responds to inhaled antigens

Answer 26

tonsils

Question 27

closes off nasopharynx during swallowing

Answer 27

uvula

Question 28

larynx extends from the level of ?? cervical vertebrae

Answer 28

4th to 6th

Question 29

functions of the larynx??

Answer 29

produces vocalizations; provides open airway; switching mechanism to route air and food to proper channels

Question 30

attached to the hanging bone

Answer 30

larynx

Question 31

another term for hanging bone

Answer 31

hyoid bone

Question 32

keeps food out of the lower respiratory tract

Answer 32

epiglottis

Question 33

passageway of air to the lungs

Answer 33

trachea

Question 34

point where trachea branches

Answer 34

carina

Question 35

structures that contain air=exchange chambers

Answer 35

alveoli

Question 36

number of alveoli a human has

Answer 36

3 million

Question 37

air-blood barrier

Answer 37

respiratory membrane

Question 38

decreases tension

Answer 38

surfactant

Question 39

describe the branches of bronchi

Answer 39

3 main branches on the right and 2 on the left

Question 40

flattened sac of serous membrane

Answer 40

pleura

Question 41

2 layers of pleura

Answer 41

parietal and viscelar

Question 42

describe parietal pleura and viscelar pleura, respectively

Answer 42

outer layer; directly on lungs

Question 43

shape of lungs

Answer 43

cone-shaped

Question 44

it has anterior, lateral, and posterior surfaces contacting ribs

Answer 44

lungs

Question 45

superior tip of lungs

Answer 45

apex

Question 46

concave inferior surface

Answer 46

base

Question 47

phases of pulmonary ventilation

Answer 47

inspiration and expiration

Question 48

another term for pulmonary ventilation

Answer 48

breathing

Question 49

it flattens during inspiration

Answer 49

diaphragm

Question 50

collapsed lung

Answer 50

pneumothorax