question_answer

  The drawing shows the inside of the small intestine. Using the drawing, explain how structure of the lining of the small intestine helps to absorb more food.

Answer:

                    The inside surface of the intestine is covered with tiny tiger like projections called villi. This creates a much larger surface area for the absorption of food. Inside each Projections is a rich supply of blood vessels to ensure that the broken down food is quickly absorbed into the blood.    (3)