Lymphatic/Immune Lymphatic/Immune SystemSystem

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Lymphatic/Immune System Lymphatic/Immune System - Objectives- Objectives

Recall all of the structures of the Recall all of the structures of the Lymphatic/Immune SystemLymphatic/Immune System

Describe all of the functions of the Describe all of the functions of the Lymphatic/Immune SystemLymphatic/Immune System

Explain the process that your body Explain the process that your body goes through to use the goes through to use the lymphatic/immune systemlymphatic/immune system

Describe how the lymphatic/immune Describe how the lymphatic/immune system changes as you agesystem changes as you age

Structures of the Immune Structures of the Immune SystemSystem

Tonsils Tonsils Lymph nodes Lymph nodes SpleenSpleen Red Bone MarrowRed Bone Marrow ThymusThymus

Cells of the Immune SystemCells of the Immune System

Function of the Immune Function of the Immune SystemSystem

Fluid BalanceFluid Balance– Fluid MovementFluid Movement

Fat AbsorptionFat Absorption– From the Digestive From the Digestive

TractTract

DefenseDefense– Filtering PathogensFiltering Pathogens– Destroying Destroying

PathogensPathogens

ImmunityImmunity

The ability to resist damage The ability to resist damage from pathogens and internal from pathogens and internal threats, such as cancer cells.threats, such as cancer cells.

2 types of Immunity2 types of Immunity

Innate ImmunityInnate Immunity– More generalized More generalized – Can tell if bacteria Can tell if bacteria

or virusor virus– Response is quickResponse is quick– Said to be Said to be

“immune”“immune”– No signs or No signs or

symptomssymptoms

Adaptive ImmunityAdaptive Immunity– Very specificVery specific– Which types of Which types of

bacteria or virusesbacteria or viruses– Takes days to Takes days to

respondrespond– May feel signs and May feel signs and

symptoms of being symptoms of being sicksick

– From this we From this we develop develop “immunological “immunological memory”memory”*Even though they are 2 types they are fully intergraded in

the body

Innate ImmunityInnate Immunity

Adaptive ImmunityAdaptive Immunity

And the Best Part?And the Best Part?

No effect with aging!!!No effect with aging!!!

http://www.youtube.com/watch?v=HNP1EAYLhOs