Question

Summary of immune system in detail

Answer 1

Answer:

Explanation

A Brief Overview of the Immune System. The immune system is your body's defense mechanism against disease and infection, and is responsible for targeting and destroying substances that it recognizes as foreign or different from normal, healthy tissues in the body.

 

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Answer 2

From a functional perspective, the immune system consists of innate immunity and adaptive immunity, two separate, but interacting and overlapping defensive systems that provide an additional array of defensive weapons. In addition, innate immunity and adaptive immunity are activated by recognition of molecular shapes that are "foreign" to our body. By distinguishing between "self" and "non-self" these systems are (normally) able to identify, destroy, and remove foreign cells, infectious agents, and large foreign molecules without directly attacking our own cells and tissues. [Note, however, that dysfunctional activation of our immune system sometimes has very harmful effects]

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