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31997074
The Lymphatic System
Description
Fisioterapia Mind Map on The Lymphatic System, created by Noemi Vazquez on 29/06/2021.
No tags specified
leaving cert
biology
lymphatic system
bacteria
bacterium
biology revision
digestive system
ecology
endospore
food processing
leaving certificate
fisioterapia
Mind Map by
Noemi Vazquez
, updated more than 1 year ago
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Created by
james liew
over 8 years ago
Copied by
Noemi Vazquez
about 3 years ago
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Resource summary
The Lymphatic System
second circulatory system
Consists of a colourless fluid called lymph
Lymph is a clear liquid that is collected from around cells and is transported by the lymphatic system back to the bloodstream
The excess fluid surrounding cells which is collected, is called interstitual fluid (extracellular fluid)
Is formed by plasma leaking from the capillaries
Plasma leaks due to the blood pressure in capillaries
Lymph nodes are small spherical-shaped organs of the lymphatic system that contain many white blood cells
Within are collections of specialised white blood cells that filter any harmful particles out, such as bacteria and viruses
Lymph vessels are narrow, dead-ending tubes that transport lymph and are present in every tissue and organ throughout the body
All lymph vessels join together and carry lymph back to the bloodstream at the subclavian veins
Functions of the lymphatic system
To collect tissue fluid and return it to the bloodstream (if it fails to do this properly, swelling occurs)
To absorb and transport fatty acids and gylcerol (each villus contains a lacteal that is full of lymph
To fight infections. White blood cells recognise foreign invaders and react by producing antibodies
It's responsible for maturing and storing of lymphocytes
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