Question

these bean - shaped structures are found along lymphatic vessels, and serve to filter lymph and produce lymphocytes. lacteals lymph nodes sinuses macrophages

Explanation:

Lacteals absorb fats in the small - intestine. Sinuses are cavities in bones or tissues. Macrophages are immune cells that can phagocytize pathogens but are not bean - shaped structures along lymphatic vessels. Lymph nodes are bean - shaped, located along lymphatic vessels, filter lymph, and produce lymphocytes.

Answer:

B. Lymph nodes