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26 Cards in this Set

  • Front
  • Back
nose
structure that warms, moistens, and filters air; houses the olfactory receptors
sinuses
air filled spaces in the skull that open up into the nasal cavity
palate
the roof of the mouth
nasopharynx
part of the pharynx directly behind the nasal passages
pharynx
throat; passageway for food to the esophagus and air to the lungs
oropharynx
central portion of the pharynx; between the roof of the mouth and the upper edge of epiglottis
laryngopharynx
lower part of the pharynx just below the oropharynx opening into the larynx and esophagus
tonsils
oval lymphatic tissue on each side of the pharynx, that filter the air to protect the body from bacterial invasion
adenoid
lymphatic tissue on the back of the pharynx
larynx
voice box
glottis
opening between the vocal cords in the larynx
epiglottis
a lidlike structure that covers the larynx during swallowing to prevent food from entering the airway
trachea
windpipe
bronchial tree
branched airways that lead from the trachea to the microscopic air sacs called alveoli
right and left bronchus
two primary airways branching from the area of the carina into the lungs
bronchioles
progressively smaller tubular branches of the airways
alveoli
thin-walled microscopic air sacs that exchange gases
lungs
two spongy organs in the thoracic cavity enclosed by the diaphragm and rib cage
lobes
subdivisions of the lung; two on the left and three on the right
pleura
membranes enclosing the lung and lining the thoracic cavity
pleural cavity
potential space between visceral and parietal layers of the pleura
diaphragm
muscular partition that separates the thoracic cavith from the abdominal cavity and moves up and down to aid respiration
mediastinum
partition that separates the thorax into two compartments (containg the right and left lungs) and encloses the heart, esophagus, trachea and thymus gland
mucous membranes
thin sheets of tissue that line respiratory passages and secrete mucus
cilia
hairlike processes from the surface of epithelial cells to move mucus cell secretions upward
parenchyma
functional tissues fo any organ