Lesson 12.4 Crossword
Across
1. | a condition in which the immune system attacks the body's own tissue |
4. | a buildup of extracellular fluid in the body because of disruption in lymphatic drainage |
6. | a long-term, preventive treatment for allergies; "allergy shots" |
7. | an infection that rarely or never occurs in people with a healthy immune system but that may occur in a person with a damaged immune system, such as from AIDS |
Down
1. | a severe and potentially life-threatening allergic reaction that may include airway obstruction and very low blood pressure |
2. | reduction or elimination of the allergic response, which may occur after immunotherapy |
3. | the spreading of cancerous cells from their original location to another part of the body |
5. | antigen that causes an inappropriately strong immune system response |