Chloragogen cells are for excretory function:
Chloragogen cells are specialized cells found in the body wall of annelids, such as earthworms. These cells are responsible for the excretory function in annelids. Chloragogen cells are also called phagocytes or hepatocytes.

Structure of Chloragogen cells:
Chloragogen cells are large, granular cells that are distributed in clusters throughout the body wall of earthworms. These cells have a dense cytoplasm filled with granules that contain glycogen, fat, and protein. Chloragogen cells are surrounded by a thin layer of connective tissue.

Function of Chloragogen cells:
The primary function of chloragogen cells is to remove waste products from the body of earthworms. These cells store and sequester toxins and metabolic waste products, such as ammonia, from the blood. Chloragogen cells also play a role in regulating the pH of the blood by removing excess acid or base.

Excretion via Chloragogen cells:
Chloragogen cells excrete waste products through the gut lumen into the digestive tract. The waste products are then eliminated from the body through the anus. The process of excretion through chloragogen cells is called enteric excretion.

Conclusion:
Chloragogen cells are specialized cells found in annelids. These cells are responsible for the excretory function in earthworms. Chloragogen cells store and sequester toxins and metabolic waste products from the blood and eliminate them through the gut lumen into the digestive tract. The process of excretion through chloragogen cells is called enteric excretion.

Option B is correct...