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Gas exchange (respiration) - S18 for hyperdoc

This activity assumes you have learned about both the major components of the respiratory system and the details of gas exchange. A few questions may extend your knowledge, such as those on other organisms & disorders, but most you should be able to answer.
AB
gas exchangeprocess of exchanging O2 and CO2 with environment
respiratory systemneeded by complex organisms
respiratory surfacethin membrane where gases are exchanged
moisturenecessary to allow gases to cross membrane
skin is the respiratory surface of?earthworms
alveolirespiratory surface in humans
gillsrespiratory surface of lobster, for example
function of nosewarm, filter, and moisturize air
function of tracheabring air to lungs
bronchiolessmall tubes branching throughout lungs
bronchitwo tubes branching off trachea
diaphragmlarge muscle beneath the lungs
inhalationoccurs when diaphragm contracts, moving down
exhalationoccurs when diaphragm relaxes, moving up
epiglottisblocks food from entering larynx
larynxcontains vocal cords
ciliafound on cells lining the nose, pharynx and trachea
asthmaspasm or constricting of bronchioles
emphysemadamage to alveoli
pneumoniaexcess fluid in alveoli
bronchitisinflammation of bronchioles
pleuraprotective fluid-filled membranes surrounding the lungs


Esther Loney
AB Lucas SS
London, ON

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