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BIOL 215- Respiratory system
Terms in this set (18)
movement of air in and out of the lungs
gas exchange between air in lungs and blood
transport of oxygen and carbon dioxide in the blood
gas exchange between the blood and tissues
regulation of blood pH
Altered by changing blood carbon dioxide levels
production of chemical mediators
ACE (angiotensin converting enzyme)
movement of air past vocal folds makes sound and speech
smell occurs when airborne molecules are drawn into nasal cavity
prevent entry of micro-organisms and remove them from respiratory surfaces
How does ACE influence blood pressure?
regulates the volume of fluids in the body and indirectly increases blood pressure by causing blood vessels to constrict
what organs make up the upper respiratory tract?
nose, pharynx, larynx
what organs make up the lower respiratory tract?
larynx, trachea, bronchial tree, lungs, tubing within lungs
the choanae have openings to what?
the paranasal sinuses and nasolacrimal duct
what are the functions of the nasal cavity?
passageway for air, cleans the air, humdifies air, warms air, smell, resonating chambers for speech
where is the nasopharynx?
from internal nares to uvula
Where is the oropharynx located?
from uvula to epiglottis
where is the layngopharynx?
from epiglottis to esophagus
What are the cartilages of the larynx?
thyroid, circoid, arytenoid,
Recommended textbook explanations
The Human Body in Health & Disease
Gary A. Thibodeau, Kevin T. Patton
Glencoe Health, Student Edition
Rebecca J. Donatelle
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