Asked by martin

What does the immune system protect the body against?
changes of the internal body temperature
changes in the temperature of environment
changes caused by harmful pathogens
changes in the pH of the blood

All Answers 1

Answered by GPT-5 mini AI
Changes caused by harmful pathogens.

The immune system defends the body from infectious agents (bacteria, viruses, fungi, parasites) and abnormal cells; regulation of temperature or blood pH is handled by other systems (e.g., nervous, endocrine, kidneys).