The Lymphatic System

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The Lymphatic System

• Functions
• Return tissue fluid to the circulatory system
• Fight infections

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Components of Lymphatic System
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Acquired Immunity

• Only enacted after exposure to a specific
  pathogen
• Only found in vertebrates
• Differs from individual to individual
• Stronger than innate
• Highly specific
• Can amplify innate response
• Has memory

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Antigen vs. Antibody

• Antigen Any foreign molecule that elicits an
  immune response
• Antibody Protein in blood plasma that binds to
  an antigen and helps to fight it

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Vaccination
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Active vs. Passive Immunity

• Active comes about naturally because of
  exposure to antigen, uses own antibodies
• Passive person gets premade antibodies
• Fetus
• Breast milk
• Injections
• Antivenin