Respiratory Flashcards
adenoids
lymphatic tissue in the nasopharynx; pharyngeal tonsils
alveolus
air sac in lung
apex of lung
tip of lung
base of lung
lower portion of lung
bronchioles
smallest branch of bronchi. Terminal bronchioles lead to alveolar ducts.
bronchus, bronchi
branch of trachea that is a passageway 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
thing hairs attached to mucous membrane epithelium lining the respiratory tract.
diaphragm
muscle separating the chest and abdomen.
epiglottis
lid-like piece of cartilage that covers the larynx, prevents food from being inhaled
exhalation
breathing out; expiration
glottis
slit-like opening to the larynx
hilum of lung
midline region where the bronchi, blood vessels and nerves enter and exit the lungs
inhalation
breathing in; inspiration
larynx
voice box; containing the vocal cords