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Disease Vocab

8th Grade Health, Disease Unit, Vocab.

TermDefinition
Diseases Any condition that interferes with the proper functioning of the body or mind.
Communicable Diseases A disease that can be passed to a person from another person, animal, or object.
Pathogen Disease-causing organisms that are so small they can only be seen through a microscope.
Infection A condition that occurs when pathogens get inside the body, multiply, and damage body cells.
Viruses The smallest pathogens.
Bacteria Tiny one-celled organisms that live nearly everywhere.
Fungi Organisms that are more complex than bacteria, but cannot make their own food.
Protozoa Single-celled organisms that are more complex than bacteria.
Hygiene Cleanliness
Immune System A combination of body defenses made up of cells, tissues, and organs that fight off pathogens and disease.
Immunity Your body's ability to resist the pathogens that cause a particular disease.
Inflammation The body's response to injury or disease, resulting in a condition of swelling, pain, heat, and redness.
Lymphatic System A secondary circulatory system that helps the body fight pathogens and maintain its fluid balance.
Lymphocytes White blood cells in the lymphatic system.
Antigen Substances released by invading pathogens.
Antibodies Proteins that attach to antigens, keeping them from harming the body.
Vaccine A preparation of dead or weakened GERS? that cause the immune system to produce antibodies.
Sexually Transmitted Diseases Infections spread from person to person through sexual contact.
Contagious Period The length of time that a disease can spread from person to person.
Opportunistic Infection An infection that rarely occurs in a health person.
Carrier A person who is infected with a virus and who can pass it on to others.
Created by: user-2021778
 

 



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