Use the figure above to answer questions

-In this diagram of a negative feedback system, what labeled box represents a receptor?
A)A
B)B
C)C
D)A and C
E)All of these

Question

Use the figure above to answer questions 
 
-In this diagram of a negative feedback system, what labeled box represents a receptor?
A)A 
B)B 
C)C 
D)A and C 
E)All of these

Quizplus · Accepted Answer

The receptor in a negative feedback system is the component that detects the change in the internal environment of the body and sends a signal to the control center. Box A represents a receptor in this diagram.

Use the Figure Above to Answer Questions