The Immune System

The immune system cannot recognize any foreign pathogens.

The immune system can only recognize pathogens that are very similar to each other.

The immune system can only recognize pathogens that are very different from each other.

The immune system can recognize subtle chemical differences between different pathogens. (correct)

To discriminate between foreign molecules and the body's own cells and proteins.

To protect animals from invading pathogenic microorganisms and cancer. (correct)

To mount an appropriate response to eliminate foreign organisms.

To generate a variety of cells and molecules capable of recognizing and eliminating foreign invaders.

Response and elimination.

Recognition and elimination.

Response and discrimination.

Recognition and discrimination. (correct)

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