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Sati [7]
3 years ago
8

Which makes viral infections difficult to defeat?

Biology
1 answer:
katrin [286]3 years ago
7 0

The statement 'the immune system must attack the body's own cells' makes viral infections difficult to defeat.

<h3>What is an infection?</h3>

Infection is a type of harm that the organism suffers when pathogenic microorganisms and viruses enter the body.

Pathogenic microorganisms include, for example, bacteria, fungi, and virus entities.

These pathogenic microorganisms/entities have specific antigens which can be recognized by the immune system.

Learn more about virus infections here:

brainly.com/question/1554410

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Explanation:

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d. introduce native flowering plants the adult butterflies need for nectar, their main food.

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