Structure and Function of the Digestive System - UK Essays.
A healthy diet includes a variety of fruits and vegetables as well as protein and energy. Find out more in this Bitesize science video for KS3.
DIGESTION Digestion Digestion The way at which pizza flows through the digestive system commences with the mouth. Pizza then is moved from the mouth to the pharynx, from the pharynx to the esophagus, from the esophagus to the stomach, from the stomach to the tiny intestine, from the tiny intestines to the large intestine, from the large intestines and lastly to the anus.
Chemical and Physical Processes of Digestion exercise T 8 he digestive system is a physiological marvel, composed of finely orchestrated chemical and physical activities. The food we ingest must be broken down to its molecular form for us to get the nutrients we need, and digestion involves a complex sequence of mechanical and chemical processes designed to achieve this goal as efficiently as.
The digestive system has a complex system of food movement and secretion regulation, which are vital for its proper function. Movement and secretion are regulated by long reflexes from the central nervous system (CNS), short reflexes from the enteric nervous system (ENS), and reflexes from the gastrointestinal system (GI) peptides that work in harmony with each other.
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A serving of one-quarter of a whole-wheat Margherita pizza contains 7 g fiber, fulfilling 28 percent of your daily value based on a 2,000-calorie diet. Like protein, fiber helps you stay satisfied after eating and creates a sensation of fullness. It is also needed for healthy digestion.