Describe each of the surface modification of epithelial cells. in terms of: structure, location and function. Provide pictures of each surface modification. Follow the format below. Surface Modification of Structure Location Function Epithelial Cells Apical Surface Lateral Surface Basal Surface

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Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.