Immune System Function and Components

Immune SystemFunction

Immune System

The body fighting off bacteria invaders

Inside your body there is an amazing protection machine called the Immune System. It is designed to act like a security guard against millions of germs, toxins, and parasites that would love to infest your body. Once these germs invade the body the immune system will deal with the invaders at different levels.

Some of the major components of the immune system are:

  • Skin
  • Lymph System
  • Spleen
  • White Blood Cells
  • Antibodies

The most obvious and important part of the immune system is the skin. Skin is the body’s first line of defense against infection and other illnesses. Part of your skin’s job is to act as a barrier in much the same way we use plastic wrap to protect food.

The Lymph System and Spleen act as a drain and filter to detect and remove bacteria from the body.

White and red blood cells are produced by bone marrow. The white blood cells are probably the most important part of the immune system. The white blood cells rush in to destroy the invading germs. A high volume of white blood cells can be an indication of an infection in the body.

Antibodies are produced by the white blood cells. An antibody attaches to the invading bacteria and disables the bacteria, thus keeping the bacteria from further invading the body.

Weakened Immune System and Infections

When the immune system is not functioning properly the body becomes susceptible to all kinds of infections and diseases. There are some drugs, autoimmune diseases, and cancer treatments that can effect the immune system.  When this happens the body has a more difficult time in keeping itself in a healthy state.  Even when a person eats healthy, exercises, takes plenty of vitamins and practices preventive health measures, their body can succumb to disease due to a weakened immune system.


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