Post provided by: temperate5cat Original title: What’s Going Through Your Mind? • How Cerebral Spinal Fluid is Created, Functions, and Returns to the Blood    For a moment, let’s imagine the skull as a castle. The system of flat outer bones mortared together with connective tissues is just one example of the mind’s many physical defenses. The choroid plexus in the center of the brain, … Continue reading What’s Going Through Your Mind? – Guest Post