Natural Responses of Our Body Against Disease
Natural Responses of Our Body Against Disease
Natural Responses of Our Body Against Disease
The body has several ways of defending itself against pathogens (disease-causing organisms). The skin, mucus and cilia (the microscopic hairs that carry debris away from the lungs) all serve as physical barriers to prevent pathogens from entering the body.
Natural Responses of Our Body Against Disease
There are natural responses of our bodies against any disease. But before going to discuss natural responses of our body against any disease, let us know about pathogens.
A pathogen is a bacterium, virus, parasite or fungus that can cause disease within the body. Each pathogen is composed of several sub-regions, usually unique to that specific pathogen and the disease it causes. The subset of a pathogen that causes the formation of antibodies is called an antigen. Antibodies produced in response to a pathogen’s antigen are an important part of the immune system. We can think of antibodies as soldiers in your body’s defence system. Each antibody or soldier in our system is trained to recognize a specific antigen. There are thousands of different antibodies in our bodies. When the human body comes into contact with an antigen for the first time, it takes time for the immune system to react and produce antibodies specific to that antigen. During this, there is a possibility of a person becoming ill.
Natural Responses of Our Body Against Disease
Once antigen-specific antibodies have been produced, they work with the rest of the immune system to destroy the pathogen and prevent disease. Antibodies to one pathogen generally do not protect against another pathogen, except when two pathogens are very similar to each other, such as cousins. Once the body produces antibodies in its primary response to the antigen, it also creates antibody-producing memory cells, which survive even after the antibodies have defeated the pathogen. If the body is exposed to the same pathogen more than once, the antibody response is much faster and more effective than the first time as memory cells prepare to pump out antibodies against that antigen. This means that if the person is exposed to a dangerous pathogen in the future, their immune system will be able to react quickly, defending against the disease. 0 0 0
Natural Responses of Our Body Against Disease
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