Anxiety does evoke the same fight or flight response that stress does, which means, like stress, anxiety will trigger a flood of stress hormones like cortisol designed to enhance your speed, reflexes, heart rate, and circulation.
The organs produce digestive chemicals (enzymes and acids) that break down the nutrients into simpler forms so that absorption through the intestinal wall and into the blood stream can occur. Mechanical and Chemical Digestion. There are two kinds of digestion: mechanical and chemical.he organs produce digestive chemicals (enzymes and acids) that break down the nutrients into simpler forms so that absorption through the intestinal wall and into the blood stream can occur. Mechanical and Chemical Digestion. There are two kinds of digestion: mechanical and chemical.
Digestion in the Mouth. Chemical digestion of food begins in your mouth with the secretion of saliva. The first macronutrients to undergo chemical digestion are starch, which is a type of complex carbohydrate found in potatoes, corn and root veggies, and fats from animals and plants.igestion in the Mouth. Chemical digestion of food begins in your mouth with the secretion of saliva. The first macronutrients to undergo chemical digestion are starch, which is a type of complex carbohydrate found in potatoes, corn and root veggies, and fats from animals and plants.