ImmuneSystem

ImmuneSystem - Review: Natural Defenses against Disease...

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Review:
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Natural Defenses against Disease
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Figure 18.1 The Human Lymphatic system
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Figure 18.2 Blood Cells (Part 2)
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Figure 18.2 Blood Cells (Part 3)
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Nonspecific Defenses The skin acts as a physical barrier to pathogens. Bacteria and fungi on the surface of the body ( normal flora ) compete for space and nutrients against pathogens. Tears, nasal mucus, and saliva contain the enzyme lysozyme that attacks the cell walls of many bacteria. Mucus and cilia in the respiratory system trap pathogens and remove them.
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Bacteria and fungi on the surface of the body ( normal flora ) compete for space and nutrients against pathogens. Tears, nasal mucus, and saliva contain the enzyme lysozyme that attacks the cell walls of many bacteria. Mucus and cilia in the respiratory system trap pathogens and remove them. The skin acts as a physical barrier to pathogens. Ingested pathogens can be destroyed by the
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This note was uploaded on 04/02/2008 for the course BIO 188 taught by Professor Capco during the Fall '08 term at ASU.

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ImmuneSystem - Review: Natural Defenses against Disease...

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