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Respiratory Ch 16
Respiratory
Question | Answer |
---|---|
respiration | the entire process of gas exchange between the atmosphere and the cells |
nasal septum | divides the nasal cavity into right and left portions |
nasal conchae | divide the nasal cavity into passageways |
mucous membranes | warms and moistens the air |
pharynx | throat |
larynx | vocal cords |
epiglottis | flaplike structure that blocks food from entering the larynx |
trachea | windpipe |
alveoli | air sacs where gas exchange occurs |
pleural cavity | space between the visceral pleura and the parietal pleura |
inspiration | inhalation |
expiration | exhalation |
surfactant | secretion that reduces the friction inside of the alveoli |
tidal volume | air moved during normal breath |
inspiratory reserve volume | volume that can be forced inhale |
expiratory reserve volume | volume that can be forced exhale |
residual volume | volume that stays in the lungs even after forced exhale |
inspiratory capacity | maximum volume that can be inhaled. TV+IRV |
Functional residual capacity | volume that remains after forced exhale. ERV+RV |
vital capacity | max volume that can be exhaled. TV+IRV+ERV |
total lung capacity | total volume of air that the lungs can hold. VC+RV |
partial pressure | amount of pressure each gas contributes |
oxyhemoglobin | hemoglobin that is combined with oxygen |
bicarbonate | transportation of CO2 |