🧠 The Brain’s Ventricles: How Cerebrospinal Fluid Keeps Your Brain Healthy 🧠 The brain’s ventricular system consists of four fluid-filled cavities responsible for cushioning the brain and circulating cerebrospinal fluid (CSF). 🔹 Anatomy of the Ventricles: Lateral Ventricles – The largest, found in each hemisphere. Third Ventricle – Located in the center of the brain. Fourth Ventricle – Sits between the brainstem and cerebellum. 🔹 Why Are They Important? Protect the brain from injury. Regulat