The human body is an optimal environment for pathogens such as bacteria viruses fungi and parasites to thrive the immune system works to limit these microbes access to the body and prevent . Inside your body there is an amazing protectio n mechanism called the immune system it is designed to defend you against millions of bacteria microbes viruses toxins and parasites that would love to invade your body. The human immune system is our protector its job is to defend the body against diseases and other damaging foreign bodies the system works by first identifying alien bacteria viruses fungi . The immune system is a network of cells tissues and organs that form our bodys defense mechanism and collectively provide protection from pathogens and toxic antigens there are many interesting facts about the immune system
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