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Respiratory System

the body system that functions to get oxygen from he environment and remove carbon dioxide and waste products from your body

Cellular Respiration

uses oxygen in chemical reactions that release energy

what is the function of the respiratory system?

gas exchange

the trachea leads to the...


the space at the back of the mouth that leads either to the airway or the esophagus is the...


oxygen from the air enters the blood stream at what location?


Hyaline cartilage has what primary function?

support the trachea

when the diaphragm contracts, ______ occurs


what divides the left and right side of the nasal cavity?



temporary cessation of breathing (one or more skipped breaths)


labored (gasping) breathing (shortness of breath)


normal, relaxed, quiet breathing

expiratory reserve volume

amount of air that can be exhaled during forced breathing


increased rate and depth of breathing in response to exercise or pain


reduced pulmonary ventilation in excess of metabolic demand


reduced pulmonary ventilation

inspiratory reserve volume

amount of air that be inhaled during forced breating


dyspnea (labored, gasping breathing, shortness of breath) that occurs when a person is laying down

residual volume

amount of air remaining in the lungs after a forced exhalation

respiratory arrest

pernament cessation of breathing


accelerated respiration

tidal volume

amount of air inhaled or exhaled with each breath under resting conditions

total lung capacity

total volume of air that the lungs can hold

vital capacity

maximum amount of air that can expired after taking the deepest breath possible


allergens trigger the release of hisstamines and other inflammatory chemicals that cause intense bronchoconstriction


long term obstruction of airflow and a substantial reduction in pulmonary ventilation


alveolar walls break down and the surface area of the lungs is reduced


lower respiratory infection that causes fluid build up in the lungs

sleep apnea

cessation of breathing for 10 seconds or longer during sleep

what is meant by the phrase "gas exchange"?

addition of oxygen to the blood and the removal of carbon dioxide

where does gas exchange take place?


what is the process by which oxygen moves from the alveoli into the blood?


how is oxygen carried in the blood?

haemoglobin in the red blood cells

list the structures that passes in order on its way from the nose to the alveoli

nasal cavitiy, trachea, larynx, pharynx, bronchioles, and bronchi.

what is the function mocous and cilia lining the respiratory system?

trap dust particles

how do movements of the ribs and diaphragm bring about inspiration?

the diaphragm flattens and the ribs move up and out

whtat is the function of the epiglottis?

keep food from trachea

what is another word for trachea?


what controls the rate of breathing?

CO2 levels in the blood

where does air enter the respiratory system?


what is another name for the pharynx?


how many bronchial tubes branch off into the lungs?


which organ controls breathing?


what gas is removed by the lungs?

carbon dioxide

what are the smallest tubes that carry oxygen?


what gas is taken in by the lungs in orer to provide this gas to the rest of the body?


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