Lymphatic System

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Across
  1. 3. collection of extra fluid that drain from cells and tissues
  2. 4. the way the body defends itself against substances it seems harmful or foreign
  3. 5. Responsible for humoral immunity in mammals
  4. 6. proteins that protect you when an unwanted substance enters your body
  5. 7. a thick yellowish or greenish opaque liquid produced in infected tissue, consisting of dead white blood cells and bacteria with tissue debris and serum
Down
  1. 1. an important part of the innate immune system and exhibits strong antimicrobial activities against bacterial, fungal, and viral pathogens
  2. 2. results from a failure or absence of elements of the immune system
  3. 3. a thin tube that collects lymph from tissues and returns it to the bloodstream