ALPHABETICAL BRAIN VOCABULARY Flash Card #5 - Details WHAT ARE YOUR "MYELIN SHEATHS" AND WHY ARE THEY SO IMPORTANT? Your MYELIN SHEATHS are the "white matter" in your brain and nervous system. They surround and protect your neurons, and if you keep them healthy, they can increase up to 100 times the speed of the electrical impulse signals that are conducted through your billions of NEURONS ! The faster the electrical impulses or "ionic charges" speed along your AXONS, the quicker you can respond to your environment as you think and feel and act! Return to #5: MYELIN SHEATHS or BRAIN FACTS MATRIX