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24 October, 13:12

What is the immune system?

A. The group of cells and organs that protect the body from disease.

B. A group of cells that undergoes apoptosis to protect the body.

C. A group of organelles that digest particles that invade the cells.

D. The group of cells and organs that turn food into energy for the body.

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Answers (2)
  1. 24 October, 14:00
    0
    Answer:B

    Explanation:The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease ... Even simple unicellular organisms such as bacteria possess a rudimentary immune system in the form of enzymes that protect against bacteriophage infections.
  2. 24 October, 15:57
    0
    a.

    Explanation:

    a group of cells and organs that protect the body from disease
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Home » Biology » What is the immune system? A. The group of cells and organs that protect the body from disease. B. A group of cells that undergoes apoptosis to protect the body. C. A group of organelles that digest particles that invade the cells. D.
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