Infectious Diseases

2. this is considered nonliving since it cannot reproduce outside of a living host
3. malaria is caused by this type of agent
7. bacteria, viruses, and fungi are examples of this
9. one of the most common infections caused by a parasite within the United States
11. organisms that absorb and use the nutrients of living or dead organisms
12. any disease that is caused by an agent that has invaded the body
14. bacterial infection of the digestive system, spread by eating contaminated foods
16. caused by a bacteria usually found in the soil
17. a substance usually prepared from killed or weakened pathogens that is introduced to the body to produce immunity

1. extra doses of a vaccine that help the body maintain the production of memory cells for a particular disease
4. you can help prevent this by not taking antibiotics for viral infections
5. the varicella virus is the pathogen that causes this type of infection
6. sweat, tears, and stomach acids are examples of this used to destroy pathogens
8. there are over 300 different kinds of these living in your mouth, not all of them cause disease
10. made up of antibodies and certain types of blood cells;helps fight diseases
13. reaction to injury or infection that is characterized by pain, redness, or swelling
15. changes that you notice in your mind or body that are caused by a disease or disorder