How the Immune System Works

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The Immune SystemThe body’s immune system is a fascinating defense mechanism. It works around the clock protecting us from the millions of bacteria, viruses, toxins and parasites that we come into contact with daily. However, we typically pay attention to this complex and intricate defense system only when it fails to work. And that is usually when we already start to feel unwell.

We inhale airborne germs, bacteria and viruses everyday. When our immune system is working fine, it eliminates all these bodily invaders successfully without us feeling unwell. On the occasions when we come down with flu, for example, the illness is a visible sign that our immune system has failed to get rid of the flu virus that has entered our body.

How the Immune System Works

Our body’s immune system works in the following ways:

  1. It establishes a barrier that prevents viruses and bacteria from entering our body at various entry points: our eyes, nose, ears, mouth, genitalia and skin.
  2. In the event of a virus or bacteria getting into our body, the immune system detects it and tries to eliminate it before it can reproduce itself.
  3. If the virus or bacteria starts reproducing in our body, the immune system will continues to try to kill it.
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