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Defenseagainstvocab

Lesson 2- Defense against infection vocabulary

TermDefinition
Infection A condition that happens when pathogens enter the body, multiply, and cause harm.
Immune System A combination of body defenses made up of the cells tissues and organs that fight pathogens in the body
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 maintains its fluid balance.
Lymphocytes Special white blood cells in the lymphatic system.
Antigens Substances that send the immune system into action.
Antibodies Proteins that attach to antigens, keeping them from harming the body.
Immunity The ability to resist the pathogens that cause a particular disease.
Vaccine A preparation of dead or weakened pathogens that is introduced into the body to cause an immune response.
Created by: bostaph.michael