Try It
Identify the immune/lymphatic structures described or labeled on the image.
For questions 1- 6, refer to the image below.
1. Identify the structure labeled “A” in the image.
Answer: Tonsils
2. Identify the structure labeled “B” in the image.
Answer: Thymus
3. Identify the structure labeled “C” and "G" in the image.
Answer: Lymph Nodes
4. Identify the structure labeled “D” in the image.
Answer: Spleen
5. Identify the structure labeled “E” in the image.
Answer: Lymph Vessels
6. Identify the structure labeled “F” in the image.
Answer: Bone Marrow
For questions 7- 9, refer to the image below.
7. Identify the structure in the image that is NOT categorized as a phagocyte.
Answer: Lymphocytes
8. Eosinophils are categorized as __________ because phagocytes they “eat” or engulf other cells.
Answer: Phagocytes
9. Another term for the cell in the image is ___________.
Answer: Leukocytes
10. A general term for a disease-causing organism such as certain types of bacteria is a _______.
Answer: Pathogen
11. An _____ is a foreign substance that triggers a reaction from the immune system.
Answer: Antigen
12. Interstitial fluid flowing through lymph vessels is called _____.
Answer: Lymph
13. Structures located throughout the lymphatic system that filters lymph as it travels through the lymph vessels.
Answer: Lymph Node
