People sweat to help maintain body temperature. What type of feedback happens when sweating regulates body temperature?
A. Positive feedback, because sweating can increase body temperature
B. Positive feedback, because sweating can decrease body temperature
C. Negative feedback, because sweating can decrease body temperature
D. Negative feedback, because sweating can increase body temperature
Answer (2)
B. Positive feedback, it decreases body temperature.
Sweating is an example of negative feedback because it helps lower the body's temperature when it rises. The hypothalamus detects the increase in temperature and signals sweat glands to produce sweat, which cools the body as it evaporates. Thus, the chosen option is C.
;
