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The Immune System.

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Presentation on theme: "The Immune System."— Presentation transcript:

1 The Immune System

2 Organisms that cause disease are called what?
An ___________________ is a disease that can pass from one organism to another. PATHOGENS INFECTIOUS DISEASE

3 What are the five main groups of human pathogens?
BACTERIA, VIRUSES, FUNGI, MOLD & PROTISTS

4 How Diseases Are Spread Some of the more common sources include what?
PERSON-TO-PERSON TRANSFER, CONTAMINATED OBJECTS, ANIMAL BITES & PATHOGENS FROM THE ENVIRNOMENT

5 There are two kinds: active & passive.
What is the body’s ability to destroy pathogens before they can cause disease? IMMUNITY There are two kinds: active & passive.

6 INFLAMMATORY RESPONSE, (SWELLING)
What are some ways the body acts in helping fight off infection? SKIN ACTS AS A BARRIER, FEVER, INFLAMMATORY RESPONSE, (SWELLING) SWEATING, WHITE BLOOD CELLS & THE NATURAL KILL CELLS

7 Immunity that occurs when a person’s own immune system produces antibodies in response to the presence of pathogen is called what? ACTIVE IMMUNITY This is done naturally within the body & usually involves white blood cells.

8 Immunity in which the antibodies that fight a pathogen come from another organism or source such as an antibiotic or vaccination rather than from the person’s own body is called what? PASSIVE IMMUNITY

9 Sometimes called an immunization; it is the process by which harmless antigens are deliberately introduced into a person’s body to produce active immunity is what? VACCINATION

10 The substance used in a vaccination is called __________; it usually consists of pathogens that have been weakened or killed, but can still trigger the immune system to go into action. VACCINE POLIO, MEASLES, MUMPS, RUBELLA (GERMAN MEASLES) & PERTUSSIS (WHOOPING COUGH) ARE SOME OF THE THINGS WE GET VACCINATED FOR AT AN EARLY AGE.

11 Non-Infectious Disease
Examples of Diseases Infectious Disease Non-Infectious Disease Disease Pathogen colds virus cancer AIDS diabetes strep throat bacteria heart-disease chicken pox allergy


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