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The body is protected against harmful flu
viruses by
(1) red blood cells and hormones
(2) white blood cells and antibodies
(3) white blood cells and enzymes
(4) red blood cells and antibodies

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achappel01

Answer:white blood cells and antibodies

Explanation:White blood cells include lymphocytes (such as B-cells, T-cells and natural killer cells), and many other types of immune cells.

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