Summary

Summary Unit 8: physiology of the human body system 8B

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Unit 8: physiology of the human body system

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Understand the impact of disorder on the physiology of the lymphatic system and the associated corrective treatment.All of my assignments for unit 2 applied science btec a distinction was achieved references included

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unit 8 physiology of the human body system
the physiology of the lymphatic system
8b

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Unit 8 physiology of the human body system

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1. Summary - Unit 8: physiology of the human body system 8a
2. Summary - Unit 8: physiology of the human body system 8b
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What does the lymphatic system do, and what is it?

The lymphatic system protects us from infection and diseases; it forms part of
the body's immune system, fluid passes through lymph nodes, and there is a
network of these lymph vessels that connect the lymph nodes throughout the
body; the lymphatic system acts as many things, for example, a one-way
drainage system which means that it means fluid away from body's tissues it
also contains white blood cells called lymphocytes which help fight infections
and helps get rid of waste which cells make. The lymphatic system helps with
tissue fluid removal; tissue fluid or interstitial fluid is found in between cells
and tissues; this fluid is formed from the plasma, which has been forced out of
blood capillaries at the end of them. This fluid helps the exchange of materials
take place and oxygen. Other nutrients are diffused from the liquid into cells.
In contrast, carbon dioxide and other waste materials diffuse into the fluid;
lymph capillaries must take this fluid. If these proteins and other materials
were not taken away, they would have an effect of swelling. Another function
that the lymphatic system provides is hydrostatic pressure maintenance; this
is maintained when the lymph fluid drains into blood vessels, specifically in the
neck region. The blood volume increases, which helps keep the blood
pressure generated by the liquid in the blood vessels. The lymphatic system
helps absorb fats in the digestive system; this is because the products of
digestion are absorbed through the ileum; the ileum wall has finger-like
projections called villi on, these help products of fat digestion pass into them
and then these access into lymphatic vessels. Eventually, these fat particles
enter the blood system when the lymph duct drains into the neck region’s
blood vessels.

, The functions of each part of the lymphatic system

Spleen
The spleen, which is the largest lymphatic organ, is a Fist’s size and sits under
the left side’s rib cage. It is surrounded by connective tissue and smooth
muscle fibres, the spleen has a membrane that covers it, and inside the
lymphatic tissue, there are white and red pulse and blood-filled spaces. The
splenic artery and splenic vein take and deliver blood from the spleen; the
spleen’s function is to extract old red blood cells and pallets to break them
down.It also removes bacteria, viruses and toxins part of this includes storing
and releasing products of iron and storing blood platelets. (1)

Thymus gland

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Summary Unit 8: physiology of the human body system 8B

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