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What cushions a three pound human brain inside a bony skull? It’s not foam or cotton, it’s fluid, cerebral fluid. The ventricular system is responsible for producing and circulating this liquid; you can think of it like a central air conditioning unit for your brain. Without it, your brain would be slammed into the inside of your skull everytime you nodded, causing damage. Our ventricular system necklace makes a great gift for any neurologist, concussion specialist, neurosurgeon, and starry-eyed pre-med student.
