Question

Why is the immune system essential for our health?

Answer 1

Immune system:

1. The immune system of our body is a kind of defense mechanism to fight against pathogenic microbes.
2. Any unwanted or harmful pathogen whenever enters our body, our immune system responds and fights against it.
3. It has white blood cells that are specialized to kill infection-causing microbes and keep our body healthy.
4. It produces antibodies to kill the harmful pathogen.