Immune System

3. contains many chemicals that break down bacteria; such as lysozyme
7. exist to reproduce; take over the reproductive machinery of suitable host cells
8. outermost shield against foreign invaders
9. when nonspecific body defenses are not enough and infection becomes widespread
14. chemical that interferes with the ability for viruses to attack other body cells
15. occurs when body tissues become injured
16. substance that is capable of exciting the immune system and provokes an immune response
17. responsible for eating foreign particles by engulfing them into a vacuole
19. ability of an organism to resist a particular toxin by the action of specific antibodies or WBC
21. can kill and lyse cancer cells & destroy virus-infected cells

1. responsible for producing antibodies
2. antibodies are obtained from someone else
4. have eliminated or severely limited diseases in the world; such as smallpox
5. bonds that link together 4 amino acid chains in an antibody
6. generalized responses to pathogen infection that don't target a specific cell type
10. soluble proteins secreted by B cells that damage, clump and slow foreign particles
11. these antibodies will protect the baby for a brief period of time following birth while the baby’s immune system develops
12. secretes hydrochloric acid & has protein digesting enzymes
13. originate from hemocytoblasts in red bone marrow
18. transmitted through sexual contact, blood (via blood transfusions), contaminated needles, from mother to child
20. immune response launched; sneezing, itching, runny nose, and watery eyes