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44 Cards in this Set

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  • Back
respiration (breathing)
occurs when oxygen is inhaled into the lungs from the air and passes into the blood and when carbon dioxide moves from the blood to the lungs and is exhaled into the air
inhalation or inspiration
breathing in of air
exhalation or expiration
breathing out of air
external nares (nostrils)
allow for both inspiration and expiration of air
cilia (hairs)
filter out dust particles in the air
nasal cavity (right and left cavities)
extends from the external nares to the pharynx; warms and moistens the air and provides smell
nasal septum
divides the nasal cavity into right and left cavities
paranasal sinuses
hollow spaces within the skull that lighten the skull (frontal, ethmoidal, sphenoidal, & maxillary)
pharynx (throat)
nasopharynx, oropharynx, laryngopharynx
nasopharynx
has two openings called internal nares that open into the nasal cavity and two others that open into the eustachian tube
oropharynx
contains the palatine tonsils and the lingual tonsils
laryngopharynx
opens into the larynx and esophagus
larynx
voice box
Adam's apple
a large shield of cartilage protecting inner structures
epiglottis
covers the opening of the larynx during swallowing so that the air passage is sealed
glottis
slit between the vocal cords
trachea
windpipe
primary bronchi
two branches from the trachea that lead to the lungs
tertiary bronchi
connect to bronchioles
bronchial tree
bronchial system
paroxysmal dyspnea
difficulty breathing of an off-and-on nature
root (lungs)
where the lungs connect to the body; consist of blood vessels, nerves, bronchi, and lymph vessels
apex
top of the lung
base
bottom of the lung
right lung
divided into three lobes: superior, middle, inferior
left lung
divided into two lobes: superior and inferior
alveoli
found inside the lungs; like tiny balloons, expanding and contracting with inspiration and expiration
pulmonary capillaries
surrounds the alveoli and delivers carbon dioxide to the alveoli and absorb oxygen from them
pleural cavity
surrounds the lungs; found in the thoracic cavity
mediastinal cavity
lies between the lungs and contains the heart, aorta, trachea, and esophagus
coni/o
dust
oligo-
scanty; few
-ectasis
dilation; stretching
bronchodilator
drugs used to dilate the bronchus to relieve bronchospasm
mucolytic
drugs used to break down thick mucus so it can be coughed up
anoxia; hypoxia
lack of oxygen
pneumoconiosis
abnormal condition of dust in the lungs; black lungs
pneumonia
inflammation of the lungs
spir/o
breathing
thoracocentesis
a surgical procedure to remove fluid from the pleural cavity
-capnia
carbon dioxide
-phonia
voice
-pnea
breathing
eu-
normal