Lymphatic System

1. Lymphatic System A.K.A. Your Immune System

2. Function of Lymphatic System • The lymphatic system helps the body defend itself against disease and maintain homeostasis.

3. Components of Blood Plasma White Blood Cells Red Blood Cells

4. Words you need to know… • White Blood Cell (WBC) – protect body from foreign objects • Red Blood Cell (RBC) – delivers oxygen to body tissues

5. Words you need to know… • Lymphocyte - type of white blood cell stored in lymph nodes • 2 kinds: • T cell: direct and regulate immune responses, whereas others directly attack infected or cancerous cells • B cell: recognize foreign antigens & produce antibodies

6. Words you need to know… • Platelet – helps form blood clots • Plasma – mode of transportation

7. Words you need to know… • Lymph - tissue fluids from the blood that have collected and entered the lymph vessels

8. Glands of Lymphatic System 1. Lymph Nodes – contains lymphocytes and filters pathogens from the lymph

9. Glands of Lymphatic System • Tonsils – provide protection against bacteria and other pathogens that enter your nose and mouth Tonsillitis

10. Glands of Lymphatic System 3. Spleen – organ stores lymphocytes; filters and destroys bacteria and worn-out red blood cells

11. Glands of Lymphatic System 4. Thymus Gland – stores immature lymphocytes until they are mature and released into bloodstream

12. Words we need… • Verb(ing) • Noun • Noun • Noun • Verb • Noun • Noun • Noun • Noun • Verb(ing) • Verb(s) • noun

13. Day in the Life of White Blood Cells (Mr. WBC) Mr. WBC was verb around in the blood hanging out with his noun – oxygen carrying Mr. RBC, Patty the Platelet, and Pete the Plasma. Mr. RBC Mr. WBC Pete Patty

14. Suddenly, a noun is heard through the bloodstream saying, “Blasted germ has breached our outer shield in left big noun!” Mr. WBC and all his friends rush to the crime scene to help verb the invader.

15. Once they reach the noun, they can feel the blistering heat. Mr. WBC called on his sidekick, T-Pain the T-cell, to help with the noun. T-Pain

16. T-Pain loves some juicy noun for breakfast. He surrounds the invader and eats most of it. Then T-Pain calls on his posse, B-Mac the B-Cell. T-Pain

17. B-Mac is the master of noun. He makes these explosives called antibodiesthat completely destroy the invader. B-Mac Antibodies

18. Patty the Platelet goes in to help stop Mr. RBC, Mr. WBC, and everyone else from verb the crime scene. Patty helps fortify the broken shield. Patty

19. Pete the Plasmaverb(s)traffic and helps restore order. Patty Mr. RBC Mr. WBC Pete

20. Now that the noun is underway… Mr. WBCand his friends can go back to hanging out in the blood.

21. Day in the Life of White Blood Cells (Mr. WBC) Mr. WBC swimming around in the blood hanging out with his friends – Mr. RBC, Patty the Platelet, and Pete the Plasma. Mr. RBC Mr. WBC Pete Patty

22. Suddenly, a siren is heard through the bloodstream saying, “Blasted germ has breached our outer shield in left big toe!” Mr. WBC and all his friends rush to the crime scene to help fight the invader.

23. Once they reach the toe, they can feel the blistering heat. Mr. WBC called on his sidekick, T-Pain the T-cell, to help with the fight. T-Pain

24. T-Pain loves some juicy germs for breakfast. He surrounds the invader and eats most of it. Then T-Pain calls on his posse, B-Mac the B-Cell. T- Pain

25. B-Mac is the master of destruction. He makes these explosives called antibodiesthat completely destroy the invader. B-Mac Antibodies

26. Patty the Platelet goes in to help stop Mr. RBC, Mr. WBC, and everyone else from leaving the crime scene. Patty helps fortify the broken shield. Patty

27. Pete the Plasma directs traffic and helps restore order. Patty Mr. RBC Mr. WBC Pete

28. Now that the scab is underway… Mr. WBCand his friends can go back to hanging out in the blood.