Within the brain, the autonomic nervous system is regulated by the hypothalamus. Autonomic functions include control of respiration, cardiac regulation (the cardiac control center), vasomotor activity (the vasomotor center), and certain reflex actions such as coughing, sneezing, swallowing and vomiting.
Some substitutions for flour, like cake flour substitutes or bread flour substitutes, may alter slightly the taste, texture, weight, or moisture content of the finished cake or bread. But, most people cannot tell which self-rising flour substitute or cake flour substitute you have used in your recipe. These suggestions for a flour substitute are meant to save you a trip to the store during your cooking process.
The good news is, it's pretty easy to substitute cornstarch for flour when your recipe calls for a thickener (as in a gravy, a sauce or a pie) or a coating for fried foods. You can't use cornstarch as a substitute for flour in baked goods, but that's where cup-for-cup gluten-free flour blends shine.