Whether the given direction of lymph flow is correct or incorrect.

Correct Flow Direction:
- Lymphatic capillaries to collecting vessels
- collecting vessels to lymphatic trunks
- left lumbar trunk to the thoracic duct
- lower extremity lymph to the thoracic duct

Incorrect Flow Direction
- Lymph nodes to lymphatic capillaries
- Collecting ducts to collecting vessels
- thoracic duct to cisterna chyli
- right subclavian trunk to thoracic duct
- intestinal trunk to the right lymphatic duct
- right head lymph to the thoracic duct

Classification of the tissues and organs as being either primary or secondary lymphoid structures.

Classifying the descriptions into the appropriate categories regarding the two major types of lymphocytes.

The location where red bone marrow is found in an adult body?

The location where T-lymphocytes become immunologically mature and got their name from.

Matching tonsils with their respective locations & functions, and descriptive terms,

Classifying each item as a first, second, or third line of defense.

Classifying each description with the inflammatory sign associated with it