1. The Functions of the Lymphatic System

2. The functions 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?
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3. 2.04 Understand the functions and disorders of the lymphatic system
What are the functions of the lymphatic system?
Fluid Balance - Homeostasis
Lymphocyte Production
Filtration
Immunity
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4. 2.04 Understand the functions and disorders of the lymphatic system
Fluid balance
Helps to keep the body healthy by keeping the fluid balanced between the vascular system and the cellular system.
____Fluid IN
____Fluid
OUT
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5. Lymphocyte production
The Lymphatic System
Lymphocyte production
What are lymphocytes?
White Blood Cells
What do they do?
Help to form antibodies at the site of inflammation, protects against cancer.
What is their relevance to health?
They help protect the body from sickness 5

6. 2.04 Understand the functions and disorders of the lymphatic system
Filtration
What does a filter do?
They remove contaminants
How do filters relate to the lymphatic system?
They get rid of toxins
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7. 2.04 Understand the functions and disorders of the lymphatic system
Use Immunity Notes
Handout
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8. Immunity The Lymphatic System
Immunity is the body’s way of fighting infection and protecting itself.
Sneezing clears the nose of bacteria and germs that can cause sickness 8

9. 2.04 Understand the functions and disorders of the lymphatic system
Natural immunity: is what a person is born with to help fight bacteria and viruses.
Includes:
Intact skin
Tears
Mucous Membranes
Inflammation
Phagocytes (type of WBC)
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10. 2.04 Understand the functions and disorders of the lymphatic system
Natural immunity
What are the body’s natural immune processes shown in these pictures?
Tears
Break in skin
Phagocytes
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Acquired immunity:
Two Types:
Passive
Active
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12. 2.04 Understand the functions and disorders of the lymphatic system
Acquired immunity:
Passive:
It is borrowed immunity from another person or animal, their antibodies only last 3-5 weeks
Also come from mother when child is born again only temporary
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Acquired immunity: Active
Two types:
Natural
Artificial
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Acquired immunity: Active
Natural: you got the disease, and recovered making your own antibodies
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15. The Lymphatic System Acquired Active Natural Immunity:
What is the relevance to health?
Long term, permanent immunity.
You created your own antibodies, they stay with you for life. 15

16. 2.04 Understand the functions and disorders of the lymphatic system
Acquired immunity: Active
Two Types of Artificial:
Immunization
Immunoglobulins
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17. 2.04 Understand the functions and disorders of the lymphatic system
Acquired immunity:
Active
Artificial
Immunization:
comes from getting a shot (vaccine) not from getting the disease
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18. 2.04 Understand the functions and disorders of the lymphatic system
Acquired immunity
Active Artificial
Should immunizations be required?
Why or why not?
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19. 2.04 Understand the functions and disorders of the lymphatic system
Acquired immunity:
Active
Artificial
Immunoglobulins:
Proteins in plasma (remember) that act as an antibody (given a shot or transfusion)
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20. The Lymphatic System REVIEW
What are the functions of the lymphatic system? 1 2 3 4
How are these functions relevant to health?
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