Aweakened immune system may be caused by
an overproduction of lysozymes.
muscle disorders.
immunodeficiency disorders.
complement systems in the blood.

The right answer is immunodeficiency disorders.

One of the most important functions of the immune system is to protect the body by creating barriers to the spread of an infection. This system is fortunately well organized but complex. It involves a number of very important players.

If this system is lacking (when one of the components of the immune system is absent or failing), it is called immune deficiency. "Immune-deficient" people generally have increased susceptibility to infections.

immunodeficiency disorders.

Explanation:

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