Respuesta :
Fever indicates that the immune system is functional by raising the body's temperature to destroy harmful substances.
What is Fever?
This is defined as a temporary increase in the temperature of the body as a result of sickness etc.
This rise in temperature helps to destroy harmful substances which are temperature sensitive thereby making option B the most appropriate choice.
Read more about Fever here https://brainly.com/question/1286250
Answer:
B. Fever raises the body's temperature to destroy harmful substances.
Explanation:
Edge. 2021 says it correct.