1. Blood

2. Red Blood Cells

3. Erythrocyte A: Erythrocyte: B: Platelets

5. Reticulocyte A: Reticulocyte B: Erythrocyte

7. Granulocytes

8. Neutrophil A: Neutrophil B: Erythrocyte

9. A B

10. A B

11. Eosinophil A: Eosinophil: B: Erythrocyte.

12. A

14. Basophil A: Basophil B: Erythrocyte. C: Thrombocyte

15. A

17. Agranulocytes

18. Monocyte A: Monocyte B: Erythrocyte

20. Lymphocyte A: Lymphocyte B: Erythrocyte

22. Megakaryocyte & Platelets A: Megakaryocytes B: Platelets or thrombocytes

24. Lymphatic System

25. Lymph Node A: Medulla B: Cortex C: Lymph nodules D: Germinal center D A B C

26. A B

27. A B C D

28. Germinal Center A B A: Cortex of lymph nodule B: Germinal center

29. A

31. Peyer’s Patch A B C D A: Mucosa of the ileum. B: Submucosa C: Peyer’s Patches D: Germinal center.

34. Appendix A B C C D D A: Invagination of the mucosa. B: Simple columnar epithelium. C: Lymphatic Nodule D: Germinal Center

36. Spleen A D B A A C A: White pulp B: Red pulp C: Trabecula D: Germinal Center.

37. A C B C

39. Thymus A B C D E A: Cortex B: Medulla. C: Lobules of the thymus. D: Interlobular septa E: Hassall’s corpuscle.

40. A B B C

41. A B C

42. tonsil A B C A: Lymph Nodule B: Germinal center C: Stratified squamous epithelium

43. A B

44. Lymphatic Vessel AB A: Lymphatic vessels are lined with endothelium which is simple squamous epithelium. B: Lymphatic valve