Why is it necessary to convert carbohydrates into sugars?

Answer

Metabolism: Once ingested, most carbohydrates and complex sugars are broken down into the simple sugar glucose. However, in the digestion of sucrose, both glucose and fructose are released into the bloodstream. Glucose is the primary fuel utilized by the brain and working muscles.

i don't know im sorry.

im 100% sure its all of the above.