Learn from the past and anticipate answering similar questions on the AP Exam this year... 1999 Exam - Question 4: Using the information in the pie charts above, identify two budgetary barriers that hinder the creation of new policy initiatives. Explain why each of the barriers you identified persists.
Glands lining the stomach secrete hydrochloric acid that dissolves food particles and protein-digesting enzymes, called pepsin. Final stages of digestion and most of the nutrient absorption occurs in next portion of the tract: the small intestine. The small intestine is divided into 3 segments-duodenum, jejunum, and ileum. The pancreas is a gland located behind the stomach.
The two processes that occur are digestion and absorption. Digestion is the process by which your body breaks down food into small nutrient chemicals. While absorption is the â¦ process in which when the small nutrient molecules go through a wall of the digestive system and into the blood.he two types of movement in the small intestine are peristalsis  and segmental movements. Segmental movements, which are more common  in the small intestine than peristalsi â¦ s, move the digesting food  back and forth in a part of the small intestine.