Both the brain and spinal cord have layers that cover the nervous tissue. These are known as the meninges. The cerebrospinal fluid (CSF) is produced in the choroid plexuses and then exits to the outside of the brain where it is absorbed in the venous sinus. Label and color the structures and trace the flow of cerebrospinal fluid in the schematic from its source to its reabsorption in the cardiovascular system.
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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.