The lipid materials, such as fatty acids and glycerol, are carried to the venous system beyond the liver.
a. Lipid materials are a high-energy item. They are stored as fat throughout the body so that they will be available when needed for energy.
b. Body fat also serves as insulation in the subcutaneous tissues. It gives buoyancy to the body in water.
c. Cholesterol is a very important substance in the body. It participates in the functioning of the liver and in other activities of the body.
d. However, there are certain medical conditions in which physicians prescribe a low-cholesterol and/or low-fat diet.
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This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.