ANATOMY

Detailed explanation-1: -The brain and the endocrine system control digestive processes. The brain controls the responses of hunger and satiety. The endocrine system controls the release of hormones and enzymes required for digestion of food in the digestive tract.

Detailed explanation-2: -Gastrin, secretin, and cholecystokinin (CCK) were the first discovered gut hormones, and as of today, there are more than 50 gut hormone genes and a multitude of bioactive peptides, which makes the gut as the largest endocrine organ of the body.

Detailed explanation-3: -The pancreas is part of the endocrine system and the digestive system. That’s because it secretes hormones into the bloodstream, and makes and secretes enzymes into the digestive tract.

Detailed explanation-4: -sensory analysis of food material before swallowing. mechanical processing via the action of the teeth, tongue, and palatal surfaces. lubrication by mixing food material with mucus and salivary gland secretion. limited digestion of carbohydrates and lipids.