Downloadable Small Pictures - Respiration    back
    Click on thumbnail to view            Larger Pictures (slow on dialup connection)

starch grains
external digestion by bacteria
Benedict's test experimental materials
influence of oxygen on root growth experiment
influence of oxygen on root growth results
respiration chain
indication of CO2 in human exhalation by phenol red
fermentation tubes (yeast in right hand tube)
demonstration of respiratory heat
indication of respiratory CO2 by phenol red