The diagram represents a section through the small intestine.What is the role of the structure labelled X? A. They help to move the food along B. They make a large surface area for absorption C. They protect against bacteria D. They move mucus over the surface

The diagram represents a section through the small intestine.What is t

1.	The diagram represents a section through the small intestine.What is the role of the structure labelled X? A. They help to move the food along B. They make a large surface area for absorption C. They protect against bacteria D. They move mucus over the surface
Answer» The presence of villi and microvillus in the inner lining of small intestine increases the surface area for absorption. They allow more area for the enzymes to work efficiently.