1.The ____________________________________is your first line of defense and its generally impermeable to bacteria and viruses. It also secretes antibacterial ________________________________.
2.  Any substance the body reacts against is called an_________________________________ and can be anything from unhealthy body cells, bacteria or viruses,  or poisonous substances called _____________________________.
3.  Antibiotics are effective against ____________________________infections, but have no effect on most _______________________________infections.
4. Skin, inflammation, stomach acid, and fever are all non-specific parts of the _________________________________immune system.
5. The _________________________immune system is also called "specific" and includes T cells and B cells.
6. The scientific word for ANY white blood cell is _____________________________.
7. The specific immune system has 2 main parts - _________________________________which involves fighting off pathogens in the fluids of the body and ____________________________where infected body cells are destroyed. 
8.  _______________________________are most involved in humoral and _________________________________are in charge of cell-mediated responses. 
9. The T-cell in charge of coordinating the entire immune response is ___________________________________while _________________________________destroys infected body cells. 
10. B-cells are in charge of _________________________________production. 
11. The lymphatic system is composed of tubes and 500-600 lymph __________________, which are full of lymphocytes and filter and clean body tissue fluid before putting it back into the bloodstream in the chest.