The Lymphatic System

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Across
  1. 4. a protein that is produced by immune system when harmful substances are detected
  2. 5. small gland that makes special white blood cells that assist your immune system in fighting infections
  3. 6. Organ that acts as a blood filter
  4. 7. being resistant to a certain infectious disease
Down
  1. 1. a result of being given antibodies and not producing them yourself
  2. 2. small sack that’s attached to your bowl in the lower right side of your abdomen
  3. 3. small bean shaped structures that is a part of your immune system
  4. 4. a result of exposure to disease organisms that trigger your immune system to produce antibodies