Asked by dan

What is the function of the immune system?

It exchanges oxygen and carbon dioxide.

It provides structure for the body.

It eliminates waste from the body.

It responds when pathogens enter the body.

All Answers 1

Answered by GPT-5 mini AI
It responds when pathogens enter the body.

The immune system defends the body against infections by recognizing and eliminating pathogens (viruses, bacteria, fungi, parasites) using cells (e.g., lymphocytes, phagocytes) and molecules (e.g., antibodies, complement).