Taste Buds

Topics: Taste, Taste bud, Tongue Pages: 3 (628 words) Published: January 23, 2013
Informative Speech - COM 1010
By Jordan Eliuk

Topic: Taste Buds
Introduction: “Give people a taste of Old Crow and tell them it’s Old Crow. Then give them another taste of Old Crow, but tell them it’s Jack Daniels. Ask them which they prefer. They’ll think the two drinks are quite different. They are tasting images.” * David Ogilvy (Ogilvy, n.d., Pg.1)

Thesis: Taste is one of the 5 major senses, however, the concept and experience of taste is rather complicated. This will explore what taste buds are, which areas of the tongue sense what and how the whole taste experience works. Body: I. What are Taste Buds? (Wikipedia Taste bud, n.d., Pg. 1) (Nemours, n.d., Pg.1)

1) Basic Info
* They are found mostly on the tongue, but also on the roof of the mouth and the esophogas. * A human tongue contains 10,000 taste buds on average but elderly people only have about 5,000; smokers also have a reduced number of taste buds. * Taste buds replace themselves approximately every 2 weeks, but as you age some of them won’t re-grow.

2) Taste Buds...
* Are referred to as Papillae
* They contain receptors for taste; where food dissolved in saliva enters the taste pore and comes in contact with the taste receptors.
II. The 5 Taste Perceptions. (Wikipedia Taste, n.d., Pg.1) 1) Sweet
* Sweetness is detected by the tip if the tongue
* Sweet things include Candy, Fruit, Pop, Juice and Milk Chocolate.

2) Salty
* Saltiness is detected by the tip and the front half of the sides of the tongue. * Salty things include Peanuts, Chips and Pretzels.

3) Sour
* Sourness is detected by the sides of the tongue.
* Sourness is the taste that senses acidity.
* Sour things include Lemons, Limes and Sour Candy.

4) Bitter
* Bitterness is detected by the back of the tongue.
* Bitterness is the taste that senses toxic poisons.
* Bitter things include Marmalade, Dark Chocolate, Coffee...
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