Across 4. an external, or topical (used on the skin) antibiotic 6. process requiring oxygen 7. a medicine that destroys microrganisms, or keeps them from growing 8. yeasts, molds, mildews, and mushrooms 10. non-specific defense mechanisms that attacks pathogens or antigens, first line of defense (3 Words) 12. a small bean shaped organ that holds and carries fluids that get rid of toxins and waste (2 Words) 13. a colorless cell that circulates in body fluids, part of the immune response, a lymphocyte is one 16. white blood cells in the lymph system 19. part of the immune response, come from the thymus gland (2 Words) 21. an infected area that is swollen and full of pus 23. the large bowel, removes water from digested food 24. body's reaction to illness or injury, causes swelling, heat, pain 25. a toxin or foreign substance that causes an immune response 26. the second line of defense, a specific response because you have already been exposed once (3 Words) 27. spongy tissue inside your bones, contains stem cells that develop into infection fighting white blood cells (2 Words) 28. international award given for outstanding work in different areas (2 Words) 29. an organ in the lymph system, found in the neck, produces T cells 30. related to breathing

Down 1. the ability to resist infection or toxins in the body 2. a bacterium, microorganism, or virus that causes disease 3. inflammation of the lining of the stomach, stomach illness 5. body network that helps fight disease and illness (2 Words) 7. when the body's disease fighting system attacks the body itself (2 Words) 9. process that does not require oxygen 11. another word for microorganism 13. network of tissues and organs that aid the body in getting rid of toxins and waste (2 Words) 14. a very small living thing; you need a microscope to see it 15. the environment of a group of microorganisms 17. an individual life form 18. an organ in the stomach that removes blood cells, part of the immune system 20. variety among living things 22. a state of balance