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Communicable Diseases

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by

Brittany Rosberg

on 17 November 2016

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Transcript of Communicable Diseases

Disease
Any condition that interferes with he normal or proper functioning of the body or mind
Germs
Infection
condition that happens when pathogens enter the body, multiply and cause harm
How pathogens spread
Direct/Indirect contact with others
Blood
Sexual Contact
Food/Water
Animals/Insects
Pathogens song
Kinds of Pathogens
Virus

Bacteria

Fungi

Protozoa


Communicable Diseases
Communicable disease
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
Pathogen
germs that cause disease
Immune System
Combination of body defenses made up of cells, tissues, and organs that fight pathogens in the body
5 major barriers
Tears
Saliva
Skin
Mucous Membranes
Stomach Acid
Non-Specific Response
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
reproduce
Phagocytes -- a type of white blood cell -- destroy pathogens
Specific Response
Attacks a particular pathogen and it's poisons
Lymphatic System
Secondary circulatory system that helps the body fight pathogets and maintains its fluid balance
Lymphocytes- special white blood cells in blood and lymphatic system
Lymphocytes
B cells -- from bone marrow

T cells -- thymus gland

NK -- "natural killer" --attack cancers and viruses
Immunity
--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
Full transcript