Respiratory Vocab

Question 1

adenoids

Answer 1

lymphatic tissue in the nasopharynx; pharyngeal tonsils

Question 2

alveolus

Answer 2

air sac in the lung

Question 3

base of the lung

Answer 3

lower portion of the lung

Question 4

bronchioles

Answer 4

smallest branches of the bronchi. Terminal bronchioles lead to alveolar ducts

Question 5

bronchus

Answer 5

branch of the trachea that is a passageway into the lung; bronchial tube

Question 6

carbon dioxide

Answer 6

gas produced by body cells when oxygen and food combine; exhaled through the lungs

Question 7

cilia

Answer 7

thin hairs attached to the mucous membrane epithelium lining the respiratory tract. They clear bacteria and foreign substances from the lung. Cigarette smoke impairs the function of cilia

Question 8

diaphragm

Answer 8

muscle separating the chest and abdomen. It contracts and relaxes to make breathing possible

Question 9

epiglottis

Answer 9

lid-like piece of cartilage that covers the larynx, preventing food from entering the larynx and trachea during swallowing

Question 10

expiration

Answer 10

breathing out (exhalation)

Question 11

glottis

Answer 11

slit-like opening to the larynx

Question 12

hilum (of lung)

Answer 12

midline region where the bronchi, blood vessels, and nerves enter and exit the lungs.

Question 13

inspiration

Answer 13

breathing in (inhalation)

Question 14

larynx

Answer 14

voice box; containing the vocal cords

Question 15

lobe

Answer 15

division of a lung

Question 16

mediastinum

Answer 16

region between the lungs in the chest cavity. It contains the trachea, heart, aorta, esophagus, and bronchial tubes

Question 17

nares

Answer 17

openings through the nose carrying air into the nasal cavities

Question 18

oxygen

Answer 18

gas that passes into the bloodstream at the lungs and travels to all body cells

Question 19

palatine tonsil

Answer 19

one of a pair of almond-shaped masses of lymphatic tissue in the oropharynx

Question 20

paranasal sinus

Answer 20

one of the air cavities in the bones near the nose

Question 21

parietal pleura

Answer 21

outer fold of pleura lying closer to the ribs and chest wall

Question 22

pharynx

Answer 22

throat; including the nasopharynx, oropharynx, and laryngopharynx

Question 23

pleura

Answer 23

double-folded membrane surrounding each lung

Question 24

pleural cavity

Answer 24

space between the folds of the pleura

Question 25

pulmonary parenchyma

Answer 25

essential parts of the lung, responsible for respiration; bronchioles and alveoli

Question 26

respiration

Answer 26

process of moving air into and out of the lungs; breathing

Question 27

trachea

Answer 27

windpipe

Question 28

visceral pleura

Answer 28

inner fold of pleura lying closer to the lung tissue