All vertebrates have a blood–brain barrier that allows metabolism inside the brain to operate differently from metabolism in other parts of the body. Glial cells play a major role in brain metabolism by controlling the chemical composition of the fluid that surrounds neurons, including levels of ions and nutrients. COUNT 2
QSN1 What type of cells have a huge role in brain metabolism? ANS1 Glial cells QSN2 Glial cells control what inside the brain? ANS2 chemical composition of the fluid that surrounds neurons