Lesson 12.3 Crossword
Across
1. | immunity in which the blood plasma cells in the body make antibodies as a result of previous exposure to a disease or a vaccine |
4. | immunity associated with free antibodies that circulate in the blood; antibody-mediated immunity |
5. | repeated division of a lymphocyte that produces many exact genetic copies (clones) of itself |
7. | the formation of an insoluble complex, such as a clump of antigen molecules joined together by antibodies |
8. | immunity that comes from antibodies received from an outside source, such as breast milk |
9. | immune system response to an infectious agent that it has encountered before |
10. | the initial immune system response to a foreign invader such as a virus or bacterium |
Down
2. | the cells and chemicals that contribute to the body's specific defenses against disease |
3. | B lymphocytes and T lymphocytes in lymphatic tissues that can respond if a previously encountered antigen invades the body again |
6. | a programmed process of cellular self-destruction (cell suicide) |