Chapter18 Vocab Flashcards
Communicable disease
A disease that can be passed from person to person, animal, or object
Disease
An condition that messes with your body or mind
Pathogens
Germs
Infection
When pathogens enter the body, multiply, and harm
Virus
Smallest pathogen
Bacteria
Tiny one called organism
Fungi
Organisms that are more complex but can’t make their own food
Protozoa
One called organisms that are more complex than bacteria
Vector
Organism that transmits pathogens
Hygiene
Cleanliness
Immune system
Combination of body parts that fight off pathogens
Immunity
Bodies ability to resist the germs that cause a particular disease
Inflammation
Bodies responded to injury or disease
Lymphatic system
Secondary circulatory system that fights germs
Lymphosytes
White blood cells in the lymphatic system