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MCAT Biology Review Chapter 6

Terms in this set (73)

thoracic cavity
contains the lungs and heart; designed to perform breathing
nares
nose opening where air enters the respiratory tract
vibrissae
nasal hairs that helps filter the air that enters the respiratory tract through nares
filter air; warm and humidify air
two functions of the nose and mouth as it relates to respiratory
pharynx
resides behind the nasal cavity and at the back of the mouth and is a common pathway for both air destined fro the lungs and food for the esophagus
larynx
lies below the pharynx and is only a pathway for air
glottis
openings of the larynx
epiglottis
flap of tissue that seals of the larynx when swallowing food
vocal cords
contained in the larynx and produce sound; maneuvered by skeletal muscle and cartilage
trachea
cartilaginous windpipe connecting to the larynx and lungs
bronchi
two short branches located at the lower end of the trachea that carry air into the lungs
bronchi; trachea
both contain ciliated epithelial cells to catch material that has made it past the mucous membranes in the nose and mouth
lung
main organ of respiratory system where bronchioles are found allowing gas exchange
bronchioles
smallest subdivision of bronchi found in the lungs
alveoli
tiny balloon-like structures found at the end of bronchioles where gas exchange occurs
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