Final answer:
Astrocytes are the glial cells that create the blood-brain barrier, support metabolism, and support other cells in the CNS.
Step-by-step explanation:
Astrocytes are the type of glial cell that creates the blood-brain barrier, supports metabolism, and supports other cells. They are important for maintaining the chemical environment around the neuron and are crucial for regulating the blood-brain barrier. They also provide nutrients to neurons, maintain their extracellular environment, and provide structural support.