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Because the job of the white blood cells is to fight infection and diseases - in much the same way as a country sends its army to fight off invaders.

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11y ago
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11y ago

White blood cells are a part of the immune system that fight off antigens (infections, viruses, anything harmful...).

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Q: Why are white blood cells described as the army in the circulatory system?
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Related questions

Are all cells in the circulatory system blood cells?

no


Is it true that one of the functions of the circulatory system is to produce red and white blood cells?

the circulatory system does not "produce" blood cells. The circulatory system does not produce anything, it just circulates the blood around your body.


What is the system of red blood cells?

circulatory system


What system contains blood cells?

circulatory system


How are the red blood cells used in the circulatory and skeletal system?

Red blood cells are produced in bone marrow then move into the blood stream which is part of the circulatory system.


What body system is the red blood cells in?

Circulatory system


How many white cells are in the circulatory system?

There are billions of white blood cells that are in the circulatory system. A normal white blood count is between 4,500 to 10,000 white blood cells per microliter.


What system has white blood cells?

The immune system uses white blood cells but they are produced and are part of the circulatory system.


What is the relationship between the skeletal system and the circulatory system?

How does the Skeletal System interact with the Circulatory System?


What system makes nutrients available to all cells?

The circulatory system pumps the blood which carries the nutrients that the cells needs. The circulatory system gets the nutrients from the digestive system.


What part of the circulatory system serve as soldiers of the body?

White blood cells could be metaphorically described as the soldiers of the body, who repel invaders.


What are the cells that line the circulatory system?

red blood cells