Taste and Smell

What are your favorite tastes and smells?List 10-15 of your favorite tastes,

and 10-15 of your favorite smells.

Group all of these into categories based upon similarities.

Share with those around you.

What were your groups?

TasteBoth taste and smell are known as the

chemical senses

Importance of taste◦ Evolutionary

What taste results from◦ Liquid chemicals stimulate receptors in the

taste buds on your tongue.◦ Information is related to the brain along

with data about the texture and temperature of what is in your mouth.

Spiciest Peppers in the WorldHotness of peppers are based

upon a scale called a Scovill.

A jalapeño is around 2,500-5,000 Scovill

#5 African Birdseye Pepper

- 175,000 Scovill

#4 Datil Pepper

- 300,000 Scovill

#3 Habanero Pepper

- 350,000 Scovill

#2 Red Savina Habanero Pepper

- 580,000 Scovill

#1 Bhut Jolokia Pepper

- 1,041,427 Scovill

Tasting StationsYou will be randomly split up into

four groups.Each group will start at a station,

and you will taste what is there.You will then point to where on

your tongue diagram that you felt that taste the most.

The Tongue

Four areas of the tongue that are responsive to different tastes.◦ Sour◦ Salty◦ Bitter◦ Sweet◦ Umani

Taste Buds Around 10,000 taste buds

in your mouth, most on your tongue.

When you chew food, the mixture of food and saliva falls into grooves on your tongue and reaches the taste buds.

From the bud the information is relayed to the brain.

Babies

SmellSometimes called the “forgotten sense”Although our sense of smell is feeble compared

to other animals it is still very acute.◦ Can detect a substance as small as one part of

multiple billion parts of airComplex

◦ The brain detects over 300 odors when smelling a rose.

Memory◦ The sense of smell is the sense with the strongest

association to memory.Allows us to interact with our environment from

a distance

Process of Smell

Interdependency of Taste and SmellThe tongue can determine salty, sour, sweet,

and bitter. All other perceptions of taste are a result of smell and texture.

Flavor◦ Taste◦ Smell◦ Texture◦ Temperature◦ Experience

Starburst activity