Tuesday, October 7, 2008

Ex Phys: cholesterol

The following is a link to videos related to cholesterol. You are to create a movie (Moviemaker) about the role of lipoproteins in your body (see below). If you need further information on how to use MovieMaker, the following provides video tutorials.
1.Ingest foods high in cholesterol
2.Cholesterol absorbed by the small intestine, and enters the bloodstream
3.Cholesterol absorbed from small intestine into liver
4.Cholesterol combines with triglycerides to form VLDL.
5.VLDL is broken down into LDL
6.LDL exits the liver and enter bloodstream for delivery to peripheral tissues
7.Plaque formed on the inside walls of arteries
8.HDL (already in bloodstream) removes excess cholesterol from arterial walls
9.HDL releases cholesterol back to the liver
10.Bile is released and excess cholesterol is either 1) eliminated in feces or 2) reabsorbed in your bloodstream

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