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Respiratory Rev. SA
YELLOW MOD
Term | Definition |
---|---|
describe the nasal cavity. | chamber lined with mucous membranes and tiny cillia |
what are olfactory neurons? | receptors for the sense of smell |
what happens to CO2 as it enters pulmonary capillaries? | it diffuses from the blood within the pulmonary capillaries and enter alveolar spaces |
what happens to the diaphragm when we breathe? | contracts during inspiration, relaxes during expiration |
what is external respiration? | exchange of O2 and CO2 between the alveoli and the blood in the systemic capillaries |
what is internal respiration? | exchange of O2 and CO2 between the body cells and the blood in the systemic capillaries |
what is the pulmonary ventilation? | breathing |
describe the transport of respiratory gases | when blood transports CO2 to the lungs and O2 to the body cells |
what is the respiratory system responsible for? | exchange of O2 and CO2 |
what are exudates? | fluid that is usually high in protein and often contains blood and immune cells |
what are transudates? | non-inflammatory fluid that resembles serum but with slightly less protein |
what are the causes of asthma? | allergens, irritants, stress, cold, exercise |
what are the 3 major disorders included in COPD? | asthma, chronic bronchitis, emphysema |
what is emphysema? | characterized by decreased elasticy of the alveoli |