Multiple choice In the human brain, the total number of glial cells: is significantly greater than the number of neurons is significantly lower than the neurons roughly equals the number of Schwann cell roughly equals the number of neurons Reveal answer Fill a bubble to check yourself D Correct answer Explanation The human brain contains roughly equal numbers of glial cells and neurons (approximately 1:1 ratio), contradicting older claims of 10:1 or 50:1. This ratio varies by brain region but balances overall.