2.04 Understand the
functions and disorders of the
lymphatic system
2.04 Understand the
functions and disorders
of the lymphatic system




What are the functions of the lymphatic system?
What is the importance of the lymphatic system as
it relates to immunity?
How do you relate the body’s use of nutrients to
the lymphatic system?
What are some disorders of the lymphatic system
and how are they treated?
2.04 Understand the functions and
disorders of the lymphatic system
2
The Lymphatic System
What are the functions of the lymphatic system?
1. Recycles fluids lost from the cardiovascular system
2. Transports pathogens to the lymph nodes to be destroyed
3. Stores and manufactures some types of white blood cells.
4. Absorbs glycerol and fatty acids from food
2.04 Understand the functions and
disorders of the lymphatic system
3
The Lymphatic System
Fluid balance



Why is this important?
What happens during this
process?
What is the relevance to
health?
____
Fluid
IN
2.04 Understand the functions and
disorders of the lymphatic system
____
Fluid
OUT
4
The Lymphatic System
Lymphocyte production

What are lymphocytes?

What do they do? They help to form antibodies
at site of inflammation. Protect against cancer.

What is their relevance to health?
2.04 Understand the functions and
disorders of the lymphatic system
5
The Lymphatic System
Filtration

What does a filter do?

How do filters relate to the lymphatic system? The
lymph carries waste products back to the
capillaries for excretion
2.04 Understand the functions and
disorders of the lymphatic system
6
The Lymphatic System
Immunity
___________________
___________________
___________________
Natural Immunity
_______________________
_______________________
_______________________
_______________________
_______________________
Immunity Notes
Handout
Acquired Immunity
_____________________
_____________________
_____________________
_____________________
_____________________
Passive Acquired Immunity
____________________________
____________________________
____________________________
____________________________
________
Active Acquired Immunity
____________________________
____________________________
____________________________
____________________________
__________________________
Natural Acquired Immunity
____________________________
____________________________
____________________________
____________________________
____________________________
2.04 Understand the functions and
disorders of the lymphatic system
Artificial Acquired Immunity
____________________________
____________________________
____________________________
____________________________
______________
7
The Lymphatic System
Immunity
What is immunity?- The body’s ability to resist pathogens
 Think about how
sneezing relates to
immunity.

2.04 Understand the functions and
disorders of the lymphatic system
8
The Lymphatic System
Natural immunity- The immunity which you are born
with.
Discuss the body’s natural immune
processes seen in this picture.
2.04 Understand the functions and
disorders of the lymphatic system
9
The Lymphatic System
Acquired immunity: Passive- Borrowed


immunity. It is acquired artificially by injecting antibodies from the
blood of other individuals or animals into a person’s body to protect
him or her from a specific disease.
The immunity is immediate in effect, but lasts only 3-5 weeks
 A baby has temporary passive immunity
from it’s mother’s antibodies.
Discuss passive
acquired immunity
2.04 Understand the functions and
disorders of the lymphatic system
10
The Lymphatic System
Acquired immunity: Active

Natural- The result of having had and recovered from a disease.
Discuss Acquired immunity
Active Natural
2.04 Understand the functions and
disorders of the lymphatic system
11
The Lymphatic System
Acquired immunity: Active Natural
What is the relevance to health?
2.04 Understand the functions and
disorders of the lymphatic system
12
The Lymphatic System
Active Acquired immunity: Artificial
Comes from being inoculated with a vaccine, antigen, or toxoid.


Immunization
Discuss Acquired immunity
Active Artificial
2.04 Understand the functions and
disorders of the lymphatic system
13
The Lymphatic System
Acquired immunity
Active Artificial
Should immunizations be
required?
Why or why not?
2.04 Understand the functions and
disorders of the lymphatic system
14
The Lymphatic System
REVIEW
What are the functions of the lymphatic system?
1
2
3
4
How are these functions relevant to health?
2.04 Understand the functions and
disorders of the lymphatic system
15
The Lymphatic System
Anaphylactic shock

What is it? An antigen-antibody reaction that stimulates the

massive secretion of histamine.
What can trigger this?

What happens to these body systems?





Nervous system- headache, falling blood pressure,
Digestive system- vomiting, stomach cramps
Respiratory system-difficulty breathing
Integumentary system-facial swelling, hives
What is the treatment?-Adrenaline or an antihistamine
2.04 Understand the functions and
disorders of the lymphatic system
16
The Lymphatic System
AIDS
How is it diagnosed? Blood test
What do these terms mean?
 HIV- Human immunodeficiency virus- the virus that causes
AIDS

ARC- AIDS related complex- Only some symptoms are
present such as enlarged lymph nodes, fatigue, night sweats,
weight loss, and diarrhea

AIDS- The infection has taken over. All the symptoms of
ARC, plus opportunistic infections
2.04 Understand the functions and
disorders of the lymphatic system
17
The Lymphatic System
Acquired Immunodeficiency Disease
Syndrome (AIDS)
How is it transmitted? Sexual contact with an infected partner,
sharing needles, at birth from an infected mother.
What is the incubation period? 10-12 years
What are the symptoms? Flu like symptoms,
Enlarged lymph glands, fatigue, weight loss, fevers,
Sweats, persistent yeast infections, skin rashes.
2.04 Understand the functions and
disorders of the lymphatic system
18
The Lymphatic System
Cancer
What is cancer? Mutated cells
Who gets cancer? Anyone!
Why is it included in the
lymphatic system?
2.04 Understand the functions and
disorders of the lymphatic system
19
The Lymphatic System
Hodgkin’s disease
What is Hodgkin’s disease? A form of Cancer
What are the symptoms? Enlarged lymph
nodes.
How is it treated? Chemotherapy, radiation
Who is most likely to develop Hodgkin’s
disease? People ages 5-35 years old
2.04 Understand the functions and
disorders of the lymphatic system
20
The Lymphatic System
Infectious mononucleosis
What is mononucleosis
most often called? The kissing
disease, mono.
What causes it? Epstein Barr Virus
How is it treated? Treat the
symptoms
2.04 Understand the functions and
disorders of the lymphatic system
21
The Lymphatic System
Lupus erythematosus
What is the classic symptom of
lupus? skin rash
What other symptoms might present?
Painful joints, anemia, fatigue
How is lupus managed? Very difficult
to treat. Manage symptoms
What is the prognosis?
2.04 Understand the functions and
disorders of the lymphatic system
22
The Lymphatic System
Lymphadenitis
What is it?
Lymph aden itis
What are the symptoms?
How is it treated?
2.04 Understand the functions and
disorders of the lymphatic system
23
The Lymphatic System
Lymphedema
What is it? Blockage of the lymph vessels
What causes it? Removal of lymph
nodes or enlargement of lymph nodes.
How is it treated? Compression,
Drainage, range of motion exercises
Photo used with written permission by the Mayo Clinic.
2.04 Understand the functions and
disorders of the lymphatic system
24
The Lymphatic System
Scleroderma
What is it? Thickening of the skin and blood
vessels
What causes it? Autoimmune disorder-The
immune system mistakenly attacks and destroys
healthy body tissue.
What are some complications of
scleroderma? Loss of movement and shortness
of breath (dyspnea)
How is it treated? No specific treatment.
Control the symptoms
2.04 Understand the functions and
disorders of the lymphatic system
25
The Lymphatic System
Tonsillitis
What are the symptoms? Severe
sore throat, fever, chills
What are the usual treatments?
Surgery in extreme cases.
Why would you have your
tonsils removed?
2.04 Understand the functions and
disorders of the lymphatic system
26
2.04 Understand the
functions and disorders
of the lymphatic system




What are the functions of the lymphatic system?
What is the importance of the lymphatic system as
it relates to immunity?
How do you relate the body’s use of nutrients to
the lymphatic system?
What are some disorders of the lymphatic system
and how are they treated?
2.04 Understand the functions and
disorders of the lymphatic system
27