when a disease - causing agent enters an organism, the immune system alerts which specialized cells?\nred…

when a disease - causing agent enters an organism, the immune system alerts which specialized cells?\nred blood cells\n epithelial cells\n white blood cells\n somatic stem cells

when a disease - causing agent enters an organism, the immune system alerts which specialized cells?\nred blood cells\n epithelial cells\n white blood cells\n somatic stem cells

Answer

Brief Explanations:

White blood cells are key immune - system cells. They defend the body against pathogens like disease - causing agents. Red blood cells carry oxygen, epithelial cells line body surfaces, and somatic stem cells are for tissue repair and regeneration.

Answer:

C. white blood cells