Why are there so many phagocytic cells (in lymph nodes and the liver,for example)associated with the digestive system?
A)They stimulate digestive enzyme production.
B)They remove bacteria and other foreign material ingested with food.
C)They stimulate contractions of the tunica muscularis.
D)They stimulate proliferation of stem cells.
E)They can transform into other cell types under the appropriate hormonal stimulation.

Question

Quizplus · Accepted Answer

Phagocytic cells such as macrophages and dendritic cells in lymph nodes and the liver play an important role in removing bacteria and other foreign materials that are ingested along with food. They help filter out harmful substances and prevent them from entering the bloodstream.

Why Are There So Many Phagocytic Cells (In Lymph Nodes