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How Does the Immune System Work? When the body senses foreign substances (called antigens), the immune system works to recognize the antigens and get rid of them. B lymphocytes are triggered to make antibodies (also called immunoglobulins). These proteins lock onto specific antigens.
Regular physical activity ( 40 minutes three to four times a week) can improve your blood pressure and HDL "good cholesterol ", reduce your chances of getting diabetes, and strengthen your heart. jogging and yoga are great activities to keep your heart healthy.
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Pls this isn't a poet slam
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I am not sure if this is what you are looking for, but possibly enzymes.
Specialized enzymes and chemicals are the body’s final defense against pathogens.