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The Immune System

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Maggie Houser

on 7 September 2012

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Transcript of The Immune System

The Immune System
By: White Blood Cells (WBCs)
Lymph Nodes
Tonsils Kathryn Dolan,
Maggie Houser,
and Caroline Fields http://www.brainpop.com/health/bodysystems/immunesystem/ The Immune System
By: Kathryn Dolan,
Caroline Fields,
Maggie Houser White Blood Cells Lymph Nodes Structure only "complete cells" in the blood
five different types of WBC's
three with granules and two without The Spleen Structure Behind stomach, under diaphragm (upper left)
soft, purple, looks like catchers mit
average adult size-6oz. and 5in. Structure: range from 5 to 24 microns
all five types are round
flow throughout the bloodstream
have different functions but work together Function protects body from infections and diseases
produce protective antibodies to eliminate germ Cool Fact drop of blood- 10,000 WBC's Thymus Structure large in children but decreases gradually
butterfly shaped- two long lobules
in upper thorax behind the sternum
go in lymphocytes- come out T-lymphocytes Function matures lymphocytes by secreting hormones
hormones enable lymphocytes to fight pathogens Links Between Organs A few millimeters -over a centimeter
Bean shaped
Near neck, chest, underarms, abdomen, and groin
Along lymphatic vessels
Plasma Cells, B Cells, T Cells Function: Filters lymph
Allows B/T cells to congregate
Lymphocytes attack foreign invaders Cool Fact Swollen lymph nodes might mean infection Tonsils produce lymphocytes-go to Thymus
come out of Thymus as T-cells
T-cells to Lymph Nodes- attack pathogens
T-cells to Spleen to instruct B-cells
WBC's go to skin for cuts
immune organs work together- eliminate bacteria Works Cited "Immune System." What Is
The. N.p., n.d. Web. 02 Sept. 2012. <http://www.niaid.nih.gov/topics/immunesystem/pages/whatisimmunesystem.aspx>. "Immune System." National Institute of Allergy and Infectious Diseases. N.p., 2 Oct. 2008. Web. 3 Sept. 2012. Works Cited http://www.niaid.nih.gov/topics/immunesystem/Pages/structure.aspx Tonsils Marble to a ping pong ball
Almond shaped
Surround the pharynx in the throat
Pharyngeal Tonsils in the Nasopharynx
Palentine Tonsils located in the Oropharynx
Lingual Tonsils in base of tongue
Lymphocytes (WBCs) Structure: Function: Remove/Gather pathogens entering throat
Produce lymphocytes Function of the Immune System: Defends body against germs and microorganisms
Attacks organisms that cause disease
Fights infection Function mainly filters blood-removes damaged RBCs
identifies bacteria/viruses to destroy
stores/saves blood for when needed The Skin Structure all over your body 3 layers- 1st layer- The epidermis overlapping, dead skin cells
retains moisture and keeps skin waterproof
new skin cells are produced here 2nd layer- The Dermis elastic & thick, below epidermis
made of connective tissue
blood vessels & receptors detect pain... 3rd layer- The Hypodermis made of fatty tissue
used as reserve (insulation and cushioning) Function protects from harmful bacteria and viruses
able to destroy foreign invaders soles of feet have thickes skin
eyelids have thinnest skin The Immune System, Related to the Skeletal, Circulatory, and Digestive System Cool Fact: can hold 3 gallons of blood Works Cited The Immune System and the Skeletal System skeletal system helps produce WBCs
WBCs fight disease in immune system Immune System and Circulatory System circulatory system carries WBCs to invader
WBCs fight disease/virus (immune) Immune System and Digestive System digestive track exposed to many organisims
immune system protects it "Skin." Nationalgeographic.com. N.p., n.d. Web. <science.nationalgeographic.com/science/health-and-human-body/human-body/skin-article>. http://www.science.nationalgeographic.com/science/health-and-human-body/human-body/skin-article.
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