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The Immune System: How Your Body's Built-In Defense System Protects You

Derek Bell

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Published in The Immune System (Human Body: How It Works)

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Your immune system is an intricate network of cells, tissues, and organs that work together to protect your body from harmful invaders. It's a complex and fascinating system that plays a vital role in keeping you healthy.

In this article, we'll explore how the immune system works, what happens when it malfunctions, and how you can support it to stay healthy.

The Immune System (Human Body: How It Works)

by Gregory J. Stewart

5 out of 5

Language	:	English
File size	:	3252 KB
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Print length	:	128 pages

How the Immune System Works

The immune system is made up of two main parts: the innate immune system and the adaptive immune system.

The innate immune system is the first line of defense against infection. It's made up of physical barriers, such as the skin and mucous membranes, as well as chemical barriers, such as stomach acid and saliva.

The adaptive immune system is more specialized and is able to recognize and attack specific pathogens, such as bacteria and viruses. It's made up of cells that can identify and destroy foreign invaders.

When the Immune System Malfunctions

When the immune system is working properly, it's able to protect you from infection and disease. However, sometimes the immune system can malfunction, leading to a variety of health problems.

One type of immune system malfunction is an autoimmune disease. In an autoimmune disease, the immune system mistakenly attacks the body's own tissues.

Another type of immune system malfunction is an allergy. Allergies are caused by the immune system's overreaction to a substance that is normally harmless.

How to Support Your Immune System

There are a number of things you can do to support your immune system and stay healthy.

One of the most important things you can do is to get enough sleep. Sleep is essential for the immune system to function properly.

You should also eat a healthy diet that is rich in fruits, vegetables, and whole grains. These foods contain nutrients that are essential for the immune system.

Regular exercise is another great way to support your immune system. Exercise helps to increase blood flow and circulation, which helps to deliver immune cells to the tissues and organs that need them.

Finally, you should avoid smoking and excessive alcohol consumption. Smoking and alcohol can damage the immune system and make you more susceptible to infection.

The immune system is a complex and fascinating system that plays a vital role in keeping you healthy. By understanding how the immune system works, you can take steps to support it and stay healthy.

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The Immune System (Human Body: How It Works)

by Gregory J. Stewart

5 out of 5