Chemical Sensory System Flashcards

1
Q

Define a chemoreceptor.

A

Receptors that are sensitive to specific chemicals.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do chemoreceptors detect primarily? (2 things) Give an example of each.

A

1) Chemical changes in the internal environment.
e. g. Receptors that sense oxygen and hydrogen ions conc. in the blood.
2) External chemical substances:
e. g. Taste and smell, which affect a person’s appetite, saliva flow, gastric secretions, and avoidance of harmful substances.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What are taste buds?

A

Specialized sense organs for gustation.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Approximately how many taste buds are present in the mouth and throat? Where are the majority located?

A

~10,000

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Define _______ and their structure.

A

Arranged like orange slices around a hollow taste pore.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly