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15 Cards in this Set

  • Front
  • Back
respiratory system
responsible for the exchange of carbon dioxide
INTERNAL RESPIRATION
Involves the exchange of O2 and CO2. CO2 leaves the body cells and enters blood in surrounding capillaries. O2 from blood passes into cells.
EXTERNAL RESPIRATION
Ventilation, the exchange of air between the lungs and atmosphere that occurs in breathing. Exchanging O2 in the lungs with CO2 in the pulminary capillaries.
NASAL CAVITY
divided into right and left sides of the nose
septum
divides the two sides of nasal cavity
olfactory neurons
receptors for the sense of smell; found amoung the epithelial cells lining the nasal tract and are covered with a layer of mucous
nasopharynx
posterior to the nose
oropharynx
posterior to the mouth
laryngopharynx
superior to the larynx
adenoids
collection of lymphatic tissue
pharyngeal tonsils
same as adenoids
palatine tonsils
commonly known as tonsils and are located in the oropharynx
larynx
voice box; found in the laryngopharynx and responsible for sound
epiglottis
leaf shaped; on top of larynx; seals off air passage to the lungs during swallowing
trachea
windpipe