1. 1 The Lymphatic System Arinze,Lilianna,Drew,Kaelyn

2.  The functions of the Lymphatic System  Where lymph comes from  The role of lymph organs  About lymph nodes  Lymphatic disease  Results of lymphatic system failure What You’ll Learn!

3.  Dissolved substances become part of fluid tissue  Helps defend diseases Purpose of Lymphatic system

4.  Lymphatic System: collects fluid from body tissue spaces,and returns it to the blood through lymph capillaries and lymph vessels;plays a vital role in protecting against infection.  Lymph: tissue fluid that has moved around cells,and into lymph vessels; consists mostly of water,dissolved substances,and lymphocytes.  Lymphocyte: type of white blood cell produced by the lymphatic system that fights infections,and foreign materials that enter the body.It’s located in the bone marrow. Glossary

5.  Lymph nodes: bean-shaped structures found throughout the body that filter out microorganisms,and foreign materials that enter the body.  Biopsy: a medical test involving the removal of cells and tissues. Glosssary part 2

6.  Tonsils and spleen  Thymus gland  Thoracic duct  Bone marrow Lymphatic organs Lymphatic organs

7.  Filter out microorganisms and foreign materials  Bean shaped structure  Help fight infections  In the organ of the immune system  Can be diagnosed by a biopsy  Can be fatal Lymph nodes

8.  HIV  With fewer T cells, less able to fight  Death risk  Cold can be serious Disease of Lymphatic System

9.  Acts like your personal security guards  Does not allow invasion  Helps protect against diseases. Why it’s imporant.

10. The immune system

11. The lymphatic system picture ( a lymphatic organ)

12.  1. Which cells fight off infections?  A. red blood cells B. bones  C. white blood cells D. nerves  2.What happens when HIV enters the body?  A. it attacks/destroys a T cell  B. It helps the lymphatic system  3. What is Lymph?  A. a type of white blood cell B. Fluid that has moved around into lymph vessels.  C. It collects body tissue spaces, and returns it to the blood.  4. What do lymph nodes do?  A. Filter out microorganisms B. Fight infections  C. Produces lymphocytes Quiz Questions

13.  1. White blood cells (c)  2. Attacks and destroys T cells (a)  3.Fluid that has moved around into lymph vessels (b)  4. Filter out microorganisms (a) Quiz Answers