When Explaining the Role of Liver Kupffer Cells to a Group

When explaining the role of liver Kupffer cells to a group of nursing students, which of the following statements about the function of these cells is most accurate?

A) The primary function of Kupffer cells is to secrete bile.
B) These cells are the functional unit of the liver and are responsible for all liver secretions.
C) The cells are capable of removing and phagocytizing old and defective blood cells.
D) The role of the Kupffer cells is to provide at least 50% of cardiac output each minute to each lobular of the liver.