CH 12 Flashcards
Adenoids
lymphatic tissue in the nasopharynx pharyngeal tonsils
alveolus
air sac in the lung
apex of the lung
tip or uppermost portion of the lung
base of the lung
lower portion of the lung
bronchioles
smallest branches of the bronchi
bronchus
branch of the trachea that is a passage way into the lung bronchial tube
carbon dioxide
gas produced by body cells when oxygen and carbon atoms from food combine; exhaled through the lungs
cilia
thin hairs attached to the mucous membrane epithelium lining the respiratory tract
diaphragm
muscle separating the chest abdomen
epiglottis
lid like piece of cartilage that covers the larynx, preventing food from entering the larynx and trachea during swallowing
glottis
slit like opening to the larynx
hilum (of lung)
midline region where the bronchi blood vessels and nerves enter and exit the lungs
larynx
voice box
lobe
division of a lung
mediastinum
region between the lungs in the chest cavity
oxygen
gas that makes up 21% of the air that we breathe
palatine tonsil
one of a pair of almond-shaped masses of lymphatic tissue in the oropharynx
paranasal sinus
one of the air cavities in the bones near the nose
parietal pleura
outer layer of pleura lying closer to the ribs and chest wall
pharynx
throat
pleura
double layered membrane surrounding each lung
pleural cavity
space between the layers of the pleura
pulmonary parenchyma
essential parts of the lung, responsible for respiration
trachea
windpipe