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Which of the following would not be a valuable use for radioactive isotopes?
Human Immunodeficiency Virus
A virus that attacks the immune system, the body's natural defense against illness, and can lead to AIDS if not treated.
Immune System
The body's defense mechanism against infections and diseases, comprising organs, tissues, cells, and proteins that work together to protect the body.
Human Immunodeficiency Virus (HIV)
A virus that attacks the human immune system, depleting the body’s ability to fight infection; the infection that causes AIDS.
Infections
The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi that are not normally present within the body, often causing disease or illness.
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