Draw a diagram of the microscope image of a cross-section (or obtain from the internet) of a seminiferous tubule at 400X magnification as it appears under the highest power magnification. Label the following cells in your drawing: lumen, seminiferous tubule wall, spermatogonial cells, spermatocytes, spermatids and spermatozoa, Sertoli cells, and interstitial cells. Upload your labelled image to the space provided. I 1 < XABI

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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.