Ch. 12 Respiratory System: Vocabulary

Question 1

Adenoids

Answer 1

lymphatic tissue in the nasopharynx; pharyngeal tonsils

Question 2

Alveolus (pleural: alveoli)

Answer 2

air sac in the lung

Question 3

Apex of the lung

Answer 3

tip of the lung

Question 4

Base of the lung

Answer 4

lower portion of the lung

Question 5

Bronchioles

Answer 5

smallest branches of the bronchi

Question 6

Bronchus (pleural: bronchi)

Answer 6

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

Question 7

Carbon dioxide

Answer 7

exhaled through the lungs

Question 8

Cilia

Answer 8

thin hairs attached to the mucous membrane epithelium lining the respiratory tract

Question 9

Diaphragm

Answer 9

muscle separating the chest and abdomen

Question 10

Epiglottis

Answer 10

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

Question 11

Expiration

Answer 11

breathing out

Question 12

Glottis

Answer 12

slit-like opening to the larynx

Question 13

Hilum of the lung

Answer 13

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

Question 14

Inspiration

Answer 14

breathing in

Question 15

Larynx

Answer 15

voice box

Question 16

Lobe

Answer 16

division of a lung

Question 17

Mediastinum

Answer 17

region between the lungs in the chest cavity

Question 18

Nares

Answer 18

openings through the nose carrying air into the nasal cavities

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 layer of pleura lying closer to the ribs and chest wall

Question 22

Pharynx

Answer 22

throat

Question 23

Pleura

Answer 23

double-layered membrane surrounding each lung

Question 24

Pleural cavity

Answer 24

space between the folds of the pleura

Question 25

Pulmonary parenchyma

Answer 25

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

Question 26

Respiration

Answer 26

breathing

Question 27

Trachea

Answer 27

windpipe

Question 28

Visceral pleura

Answer 28

inner layer of pleura lying closer to the lung tissue