Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from...

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The Immune System Kevin Nguyen TJ Johnson

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Cnidarians- Jellies Very primitive immune system. May conduct phagocytosis against foreign particles.

Transcript of Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from...

Page 1: Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from disease causing particles. Organisms can have innate.

The Immune SystemKevin Nguyen

TJ Johnson

Page 2: Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from disease causing particles. Organisms can have innate.

Introduction

A system of biological structures that defends organisms from disease causing particles.

Organisms can have innate immunity alone or with the addition adaptive immunity.

Page 3: Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from disease causing particles. Organisms can have innate.

Cnidarians- Jellies

Very primitive immune system. May conduct phagocytosis against foreign particles.

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Annelida- Oligochaete (earthworm)

Have innate immunity. Acquires cellular immunity through phagocytosis.

May have spontaneous cytotoxicity.

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Arthopoda- Fruit FliesDevelops more complex

innate immunity with barrier defenses have hemocytes to perform phagocytosis.

Page 6: Kevin Nguyen TJ Johnson. Introduction A system of biological structures that defends organisms from disease causing particles. Organisms can have innate.

Mammalia- HumansHave more

complex immune system with the addition of adaptive immunity.

Have immunological memories of previous infections.

Includes various interdependent relationships with other organ systems.

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Innate Immunity

Occurs in all animals and is immediately active infection exposure. Does not target specific pathogens. No immunological memory.

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Innate Immunity (Continued)

Barrier Defenses:

Internal Defenses:

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Inflammation

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Adaptive Immunity

Found only in vertebrates and targets specific pathogens. Have immunological memory of previous infection exposure.

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Adaptive Immunity (Continued)

The cells are lymphocytes and are formed in the bone marrow. These includes B cells and T cells.

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Adaptive Immunity (Overview)

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B Cells (Recognition and Response)

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T Cells (Recognition and Response)Helper T Cells Cytotoxic T Cells

Response Killer

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Immune ResponseFurther

exposure to a specific antigen from a pathogen causes the increase production of certain antibodies.

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Immune System Structures

Includes: bone marrow, thymus, spleen, and lymph nodes.

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Interdependence with Other Systems

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Active and Passive ImmunityActive Passive

Long lasting immunity, resulted by memorization for specific pathogens.

Short term immunity, where antibodies are transferred from mother to offspring.

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Human Immunodeficiency Virus (HIV)

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Asthma

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Works Cited

Reece, Jane, and Lisa Urry. AP Edition Campbell Biology Ninth Edition. San Francisco: Pearson Benjamin Cummings, 2011.

Wikipedia. Immune System. 23, March, 2012. Web. 21, March, 2012.

< http://en.wikipedia.org/wiki/Immune_system>Universe Review CA. Anatomy of Animals. Web. 22, March,

2012. <http://universe-review.ca/R10-33-anatomy.htm>The Human Body @ NNHS. Immune System Organs and their

Functions. Web. 23, March, 2012.<http://bodywiki.wetpaint.com/page/

Immune+System+Organs+and+Their+Functions>.PubMed Health. Asthma. Web. 25, March, 2012.< http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0001196/>.


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