What is the primary function of the immune system?

Understand the Problem

The question is asking about the main purpose of the immune system, with multiple choice answers provided. We need to determine which of these options correctly describes that function.

Answer

The immune system protects the body from harmful substances, germs, and cell changes.

The primary function of the immune system is to protect the body from harmful substances, germs, and cell changes that could lead to illness.

Answer for screen readers

The primary function of the immune system is to protect the body from harmful substances, germs, and cell changes that could lead to illness.

More Information

The immune system is a complex network of cells, tissues, and organs, designed to work together to defend the body from infections, while ensuring the body's own cells remain unharmed.

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