Across
- 3. A communicable disease characterized by fever, chills, fatigue, headaches, muscle aches and respiratory symptoms.
- 7. A combination of body defenses made up of cells, tissues, and organs that fight off pathogens.
- 8. A condition that occurs when pathogens enter the body, multiply, and damage body cells.
- 9. A bacterial disease that usually affects the lungs.
- 11. Organisms that are so small that they can be seen only through a microscope.
- 14. An inflammation of the liver characterized by yellowing of the skin and the whites of the eyes.
- 16. Tiny one-celled organisms that live nearly everywhere.
- 17. The body’s response to injury or disease resulting in a condition of swelling, pain, heat, and redness.
- 18. A preparation of dead or weakened pathogens that is injected into the body to cause the immune system to produce antibodies.
- 20. The length of time that a particular disease can be spread from person to person to person.
- 22. The body's ability to resist the pathogens that cause a particular disease.
- 23. Primitive life forms such as mold or yeast that can not make their own food.
Down
- 1. Proteins that attach to antigens, keeping them from harming the body.
- 2. Any condition that interferes with the proper functioning of your body or mind.
- 4. Substances that send the immune system into action.
- 5. The germs that are responsible for causing disease.
- 6. A disease that can be spread to a person from another person, an animal, or an object.
- 10. A sore throat caused by streptococcal bacteria
- 12. A disease characterized by swelling in the lymph nodes in the neck.
- 13. Special white bloods cells in the lymph.
- 15. One celled organisms that have a more complex structure than bacteria.
- 19. The smallest and simplest disease-causing organisms.
- 21. A serious inflammation or infection of the lungs.