the body system that functions to get oxygen from he environment and remove carbon dioxide and waste products from your body
uses oxygen in chemical reactions that release energy
what is the function of the respiratory system?
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
amount of air remaining in the lungs after a forced exhalation
pernament cessation of breathing
amount of air inhaled or exhaled with each breath under resting conditions
total lung capacity
total volume of air that the lungs can hold
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
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?
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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