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respiratory quiz
| Question | Answer |
|---|---|
| gas exchange between alveoli and blood is called | external respiration |
| surfactants prevent alveoli from | collapsing |
| what structure is the site of gas exchange | alveoli |
| respiratory membrane lines the | alveoli |
| most o2 in blood is transported by | hemoglobin |
| pulmonary stretch receptors | increase inspiration |
| chemoreceptors detect increases in all except | viscosity |
| difference between internal and external respiration | external is gas exchange between alveoli and blood internal is the gas exchange between blood and body cells |
| why is respiratory membrane thin | to allow rapid diffusion of o2 and co2 |
| function of paranasal sinuses | lighten skull, humidify air, provide voice resonance |
| alveoli | site of gas exchange |
| trachea | windpipe w/ c shaped rings |
| conchae | warms/ humidifies air |
| respiratory mucosa | produce mucus and cilia |
| epiglottis | prevents food from entering trachea |
| nasal septum | divides nasal cavity |
| pleura | serous lung membrane |
| eustachian tube | connects to middle ear |
| surfactant | reduces surface tension |
| respiratory membrane | gas exchange barrier |
| glottis | space between vocal cords |