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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 |