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Week 15 Quiz 12

Masterbooks Intro to A&P Volume 2

TermDefinition
hilum where the bronchi & blood vessels enter the lungs
alveoli tiny sacs that pouch out from the walls of respiratory bronchioles & alveolar ducts
surfactant a special kind of molecule that has some detergent-like properties
pneumonia an inflammatory condition of the lungs, primarily affecting the air sacs
pleura each lung is enclosed by this double-layered membrane
pleurisy occurs when the pleural membranes become inflamed
inspiration the first phase of breathing when air is taken into the lungs
expiration the second phase of breathing when air flows back out of the lungs
diaphragm the large, dome-shaped muscle located below the lungs
tidal volume the amount of air in one breath
inspiratory reserve volume the amount of air taken in beyond the normal tidal volume
vital capacity the maximum amount of air that can be exhaled after a maximum inspiration
hemoglobin protein in the blood that carries oxygen efficiently
erythrocytes red blood cells in the blood & contain hemoglobin
oxyhemoglobin when hemoglobin is bound to one or more oxygen molecules
carbon monoxide a colorless, odorless gas that consists of one carbon atom & one oxygen atom
carbaminohemoglobin when hemoglobin is carrying carbon dioxide
bronchial arteries supply oxygenated blood & nutrients to the lung tissue
ventilation gets air into the lungs; just means "breathing"
accessory muscles used when a deeper or more forceful breath is required