A healthy immune system manufactures antibodies that kill off invading germs and viruses; when that delicate balance is thrown off, the body can no longer fight disease. -- This plaque features a graphic display of how HIV weakens the human immune system by invading the T cells, multiplying and spreading, leaving the body unprotected against germs and disease. Virus and cell models are mounted on a sturdy plaque.

$125.00

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coal bituminous death of an immune system

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