Respirometers allow you to - measure the rate of respiration, Oil or vaseline can be used to in the organism respiring - so oxygen can't get in so anaerobic respiration is forced to happen, The respiring organisms in a respirometer uses up - oxygen, A respiring organism in a respirometer releases - carbon dioxide, Sodium hydrogen carbonate is used to - absorb carbon dioxide being produced, The volume of gas in a respirometer - decreases, The pressure in a respirometer - decreases because of the decrease in pressure, The liquid in the respirometer tube moves - towards the respiring organism, The faster the rate of respiration - the faster the liquid in the tube moves, To calculate rate you must - divide the distance moved by the time taken,

Core practical Respiration

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