OVERVIEW OF THE IMMUNE SYSTEM
THE GOOD BAD AND UGLY OF THE IMMUNE SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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eat a balanced diet
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wash his hands regularly
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wear sunscreen outside
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exercise several days a week
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Detailed explanation-1: -Pathogens are very, very small organisms (called microorganisms) that invade the body and make it sick. Examples of pathogens are viruses, bacteria, parasites, and fungi. Pathogens are also called microbes or microorganisms that attack our bodies and make us sick.
Detailed explanation-2: -Leukocytes are white blood cells that seek out and destroy organisms or substances that can cause disease. 3. Lymph nodes are glands that work like filters to remove germs.
Detailed explanation-3: -Any substance that induces the immune system to produce antibodies against it is called an antigen. Any foreign invaders, such as pathogens (bacteria and viruses), chemicals, toxins, and pollens, can be antigens. Under pathological conditions, normal cellular proteins can become self-antigens.