Fighting Infections Crossword

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Across
  1. 2. - a disorder when the immune system attacks the healthy organs and tissues
  2. 4. - ability to resist or overcome an injury by antigenic substances or pathogens
  3. 7. - one of the best ways to stay free of infection and help keep your immune system healthy.
  4. 8. - body's first line of defense against pathogens
Down
  1. 1. - glands that work like filters to remove germs; found in your neck, armpit, etc.
  2. 3. - It is delivered through the circulatory system in order for the body to maintain homeostasis.
  3. 5. - Helps our body form clots to stop any bleeding
  4. 6. - a substance that causes your immune system to produce antibodies against it