Acell in the human nervous system whose primary function is to provide insulation and structure for neurons on which they may develop and work is called a(n)

The answer would be : Glial cell.

Hope this helps !

Photon

1. b vitamins2. vitamin k3. vitamin d4. examples are walnuts, seeds, tofu5.  total fat, saturated fat, trans fat, cholesterol, sodium, total carbohydrate, dietary fiber, sugars, protein, vitamin a, vitamin c, calcium, and iron.6. 11257. they have to contain reliable information8. less than 10%  9. i didnt read the course so im not surehope that : p