The answer is body's line of defense. The first line of defense which includes physical as well as chemical barriers would defend the body from infection. It would include the tears, cilia, stomach acid,urine, white blood cells,mucus and the skin. The skin is the largest organ and would act as a barrier from pathogens. If first line of defense won't work the second line will then be activated.
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Aetiology, Pathogenesis, Pathological, Complications
Answer:
im not completely sure but if a person is eating unhealthy food and doesnt care for their body thats the person who engages in habits most harmful to his/her body.
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