The system uses antibodies, proteins, and specialized cells, such as t-cells, to defend the body from microorganisms that cause disease.

a. immune
b. digestive
c. circulatory

The Immune system uses antibodies, proteins, and specialized cells, such as T-cells, to defend the body from microorganisms that cause disease.

In short, Your Answer would be Option A

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Immune system because they use antibodies to defend the body from getting sick

The need activity of the nurse is to suction discharges from the trachea. current treatment approaches in the pressing consideration facilities or crisis offices are corticosteroids and nebulized epinephrine; steroids have demonstrated advantageous in extreme, direct, and even gentle croup. in the clear instances of croup, anti-microbials are not endorsed, as the etiology is viral

Because some people pollute water ans waste it