Why Are There So Many Phagocytic Cells (In Lymph Nodes

question 90

Multiple Choice

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.

---

Definitions:

Consumer Surplus

The gap between the total sum consumers are prepared and financially able to spend on a good or service and the sum they actually spend.

Legal

Pertaining to or conforming to the laws of a country or the legality of a situation or activity.

Efficient Output Level

The quantity of output at which a firm's average total cost is minimized.

Units

Basic quantities or measurements used as a standard to express the amount, level, or size of something.