Digestion in humans

• What happens during extracellular digestion (in the lumen)?

  -all starch gets broken down into maltose

  -lactose and sucrose are present from food eaten

  -polypeptides have been broken down into dipeptides and amino acids
• In which 2 areas of the alimentary canal are proteins, carbohydrates and lipids digested together?

  Duodenum and ileum
• Where does the process of protein digestion begin?

  The stomach
• Where is the main site of lipase production?

  Pancreas
• In which places does carbohydrate digestion take place?

  Mouth, duodenum and ileum
• Name the blood vessel that transports amino acids to the liver.?

  Hepatic portal vein