what does the immune system protect the body against?\no changes of the internal body temperature\no changes…

what does the immune system protect the body against?\no changes of the internal body temperature\no changes in the temperature of environment\no changes caused by harmful pathogens\no changes in the ph of the blood
Answer
Answer:
C. changes caused by harmful pathogens
Brief Explanation:
The immune system defends against pathogens like bacteria, viruses, etc. It's not mainly for body - temperature, environmental temperature or blood pH changes.