Materials Needed

For Procedure A—Sense of Smell (Olfaction) textbook set of substances in stoppered bottles:

cinnamon, sage, vanilla, garlic powder, oil of clove, oil of wintergreen, and perfume

For Procedure B—Sense of Taste (Gustation)

textbook paper cups (small) cotton swabs (sterile; disposable) 5% sucrose solution 5% NaCl solution

1% acetic acid or unsweetened lemon juice 0.5% quinine sulfate solution or 0.1% Epsom salt solution

For Demonstrations:

compound microscope prepared microscope slides of olfactory epithelium and of taste buds

For Optional Activity:

pieces of apple, potato, carrot, and onion

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