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Week 15 Quiz 12
Masterbooks Intro to A&P Volume 2
Term | Definition |
---|---|
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 |