Immune System

4. contains many chemicals that break down bacteria; such as lysozyme
9. generalized responses to pathogen infection that don't target a specific cell type
11. immune response launched; sneezing, itching, runny nose, and watery eyes
12. antibodies are obtained from someone else
14. substance that is capable of exciting the immune system and provokes an immune response
15. originate from hemocytoblasts in red bone marrow
17. bonds that link together 4 amino acid chains in an antibody
18. secretes hydrochloric acid & has protein digesting enzymes
20. outermost shield against foreign invaders
21. chemical that interferes with the ability for viruses to attack other body cells

1. when nonspecific body defenses are not enough and infection becomes widespread
2. ability of an organism to resist a particular toxin by the action of specific antibodies or WBC
3. responsible for producing antibodies
5. transmitted through sexual contact, blood (via blood transfusions), contaminated needles, from mother to child
6. have eliminated or severely limited diseases in the world; such as smallpox
7. these antibodies will protect the baby for a brief period of time following birth while the baby’s immune system develops
8. occurs when body tissues become injured
10. responsible for eating foreign particles by engulfing them into a vacuole
13. soluble proteins secreted by B cells that damage, clump and slow foreign particles
16. can kill and lyse cancer cells & destroy virus-infected cells
19. exist to reproduce; take over the reproductive machinery of suitable host cells