Question

humans sweat to reduce their body temperature and maintain homeostasis. which best describes the feedback mechanism involved in sweating?
a. it is a positive feedback loop because the body is adding heat to the skin.
b. it is a negative feedback loop because the body is pulling in heat from the skin.
c. it is a negative feedback loop because it is an attempt to reverse a change in the bodys condition.
d. it is a positive feedback loop because it is an attempt to intensify a change in the bodys condition.

Explanation:

Negative feedback loops work to reverse changes and maintain homeostasis. Sweating cools the body when it's over - heated, reversing the high - temperature condition. Positive feedback loops intensify changes. In the case of sweating, the body is not adding heat (A is wrong), not pulling in heat (B is wrong), and not intensifying a change (D is wrong).

Answer:

C. It is a negative feedback loop because it is an attempt to reverse a change in the body's condition.