I would say the answer is C.
Answer:
a stimulus a thing or event that evokes a specific functional reaction in an organ or tissue
Explanation:
for example if you are ticklish- a feather may be consitered a stimuli to your touch senses
Answer:
Sweating.
Explanation:
Sweat glands release sweat when your body is heated up, which cools your sin as it evaporates. This lowers your body heat like when you have a fever, are under stress or when exercising.