A set of four cavities interconnected in your brain that create and circulate cerebral spinal fluid (CSF).
You also have two ventricles, called chambers, in your heart that move blood to and from the heart.
A set of four cavities interconnected in your brain that create and circulate cerebral spinal fluid (CSF).
You also have two ventricles, called chambers, in your heart that move blood to and from the heart.