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Transcript of Communicable Diseases
Any condition that interferes with he normal or proper functioning of the body or mind
condition that happens when pathogens enter the body, multiply and cause harm
How pathogens spread
Direct/Indirect contact with others
Kinds of Pathogens
disease that can be spread to a personal from another, an animal, or object.
Organisms that are so small they can only be seen through microscope
germs that cause disease
Combination of body defenses made up of cells, tissues, and organs that fight pathogens in the body
5 major barriers
Inflammation -- body's response to injury or disease, resulting in swelling, pain, heat, and redness
Fever -- rise in body temperature.
-- makes it harder for pathogens
Phagocytes -- a type of white blood cell -- destroy pathogens
Attacks a particular pathogen and it's poisons
Secondary circulatory system that helps the body fight pathogets and maintains its fluid balance
Lymphocytes- special white blood cells in blood and lymphatic system
B cells -- from bone marrow
T cells -- thymus gland
NK -- "natural killer" --attack cancers and viruses
--Ability to resist the pathogens that cause a particular disease
-- a preparation of dead or weakened pathogens that is introduced into the body to cause an immune response