Across
- 6. means able to spread to others by direct or indirect contact
- 9. is an organism, such as an insect, that transmits pathogens
- 12. is a sore throat caused by streptococcal
- 15. is a serious inflammation of the lungs.
- 16. are substances that send the immune system into action
- 18. is a viral disease characterized by a severe sore throat and swelling of the lymph glands in the neck and around the throat area
- 19. are organisms that are so small they can only be seen through a microscope
- 20. are special white blood cells in the blood and lymphatic system
Down
- 1. are germs that cause diseases
- 2. is the length of time that a particular disease can be spread from person to person
- 3. are one-celled organisms that are more complex than bacteria
- 4. are specific proteins that attach to antigens, keeping them from harming the body
- 5. is the body's response to injury or disease, resulting in a condition of swelling, pain, heat, and redness
- 7. any condition that interferes with the proper functioning of the body and mind
- 8. means the result of pathogens or germs invading the body, multiplying, and harming some of your body's cells
- 10. us a bacterial disease that usually affects the lungs
- 11. is cleanliness
- 13. is the ability to resist the pathogens that cause a particular disease
- 14. is a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response
- 17. are organisms that are more complex than bacteria but cannot make their own food