In addition to the supercharged HEMI V-8 in the Challenger SRT Hellcat, the new 2015 Dodge Challenger SRT model also gets a power boost with upgrades to the 392 HEMI V-8. Horsepower climbs to 485 from 470, while peak torque jumps to 475 lb.-ft. from 470 lb.-ft.
Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates. (An enzyme is a protein that can catalyze certain biochemical reactions).hemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates. (An enzyme is a protein that can catalyze certain biochemical reactions).
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.