digestion and absorption

• What happens during digestion?

  Large biological molecules are hydrolysed into smaller molecules that can be absorbed across cell membranes
• What is the ileum?

  The longest part of the small intestine where most of the digestion and absorption takes place
• What is the ileum lined with?

  An epithelium of pithelial cells
• What are the most common lipids?

  Triglycerides
• What do triglycerides consist of?

  A glycerol molecule bonded to 3 fatty acids by ester bonds
• What enzymes digest triglycerides and where is it secreted from?

  Lipase from the pancreas