Health Chapter 18 Flashcards
A disease that be passed to a person from another person, animal, or object
Communicable disease
Any condition that interferes with the proper function of the body and mind
Disease
Disease-causing organisms that are so small they can only be seen with a microscope
Pathogens
A condition that occurs when pathogens enter your body, multiply, and cause harm
Infection
The smallest pathogen
Virus
Tiny one-celled organisms
Bacteria
Organisms that are more complex than bacteria but cannot make their own food
Fungi
One-celled organisms that are more complex than bacteria
Protozoa
An organism such as an insect that transmits pathogens
Vector
Cleanliness
Hygiene
A combination of your body defenses made up of cells, tissue, and organs that fight off pathogens
Immune system
Your body’s ability to resist the germs that cause a particular disease
Immunity
The body’s response to injury or disease, resulting in swelling, pain, heat, and redness
Inflammation
Secondary circulatory system that helps the body fight pathogens
Lymphatic system
White blood cels in the lymphatic system
Lymphocytes