Some of the nerve endings in the skin are sensitive to changes in temperature. They are part of a negative feedback mechanism regulating body temperature. These nerve endings represent a(n) ________ in the negative feedback mechanism.
A. receptor
B. control center
C. homeostatic balance or “ideal” value
D. effector
Answer:A
Some of the nerve endings in the skin are sensitive to changes in temperature. They are part of a negative feedback mechanism regulating body temperature. These nerve endings represent a(n) ________ in the negative feedback mechanism.
A. receptor B. control center C. homeostatic balance or “ideal” value D. effector