Smell & Taste

Question 1

What is olfaction

Answer 1

Smell

Picks up chemicals in environment

Question 2

What is gustation

Answer 2

Taste

Question 3

How do olfaction and gustation work together?

Answer 3

Work together to enhance liking or disliking of some foods

Question 4

What occurs with olfaction?

Answer 4

Odours are airborne chemicals that interact with receptors in the lining of nasal passages

This is sent to the olfactory bulb and the nerves move to the amygdala

Question 5

What is the lock and key model of olfaction

Answer 5

Olfactory receptors code for one odour humans can identify 2000 to 4000 odour

Question 6

What are the components of gustation

Answer 6

Sweet 
Sour 
Bitter 
Salty
Umami (meat flavour) 

Fatty receptors (maybe)

Question 7

How does smell and taste work together

Answer 7

After the odour interacts with our sense receptors in the nasal cavity the information enters our brain reaching olfactory cortex and part is the limbic system the amygdala

Taste substance molecules dissolve in saliva

Most receptors are on the tongue but other parts the mouth of have them too

Question 8

What are taste buds

Answer 8

Receptors on the tongue but other parts of the mouth have them too they live for only about 10 days

Papillae are bumps on the tongue that contain many tastebuds