JOHN DAUGHERTY / SCIENCE PHOTO LIBRARY JOHN DAUGHERTY / SCIENCE PHOTO LIBRARY
Gall bladder and pancreas, illustration. The gall bladder (upper left) receives bile secreted by the liver (out of frame at top), storing and concentrating it before releasing it into the small intestine (tube, lower centre) as part of the digestive process. Bile contains compounds which help in the absorption of lipids (fatty compounds). It also plays a role in removing wastes such as excess cholesterol. The pancreas (pink, right) secretes a digestive juice containing digestive enzymes, including lipase (to break down fats), amylase (to break down complex carbohydrates like starch), and enzymes that digest protein.
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