Across
- 4. The period during which a virus or infection remains dormant in the body
- 5. A sign or manifestation of a disease
- 6. The clear, yellowish liquid portion of blood
- 11. Referring to a virus that targets and affects the nervous system
- 12. inflammation of the lymph nodes
- 13. Nerve cells that transmit electrical signals throughout the body
- 14. Poisonous substance
- 15. A group of symptoms that occur together and characterize a particular disease
- 17. an organism that carries and transmits a pathogen without showing symptoms of the disease
- 19. A decrease in the number of white blood cells in the blood
- 21. Substances that trigger an immune response in the body
- 22. Molecules made of protein
- 23. Conditions that are the consequence of a previous disease
Down
- 1. Swelling caused by excess fluid trapped in the body's tissues
- 2. Proteins that have carbohydrate groups attached
- 3. Toxin that destroys red blood cells
- 7. DNA complexed to proteins
- 8. Lymphoid tissues located at the back of the throat that help fight infections
- 9. A blood infection caused by bacteria spreading throughout the body
- 10. An increase in the number of white blood cells in the blood
- 16. Inflammation of the protective membranes covering the brain and spinal cord
- 18. A disease that is transmitted from animals to humans
- 20. Referring to the system that transports lymph