Biology Topics 4 & 5 - Gas Exchange and Respiration

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Last updated 9:44 AM on 5/12/26
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8 Terms

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Yeast

single celled fungi capable of undertaking anaerobic respiration if deprived of oxygen

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Word equation fornaerobic respiration in yeast

glucose → ethanol + carbon dioxide (+ATP)

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Hydrogencarbonate indicator

turns from red to yellow as the concentration of CO2 dissolved in it increases

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Limewater

turns from transparent to cloudy in the presence of CO2

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Trachea

aka windpipe, where air enters lungs

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Bronchi

two tubes splitting from trachea (bronchus)

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Bronchioles

small tubes splitting from bronchi

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Alveoli

air sacs - gas exchange occurs here