Gastric Emptying Digestion And Absorption Flashcards
In the stomach
In the stomach, food is mixed with gastric secretions (hydrochloric acid and digestive enzymes)
Gastric emptying is influenced by?
The volume of food energy density, osmolarity, dehydration, psychologicalstress and anxiety, and to a lesser degree by exercise intensity, meal temperature and gender.
Chewing food does what?
Chewing food makes the food particles smaller and increases the surface area of the food. This increases the contact area for the digestive enzymes. Chewing also makes is the food particles with saliva and digestive enzymes.
The primary function of the gastrointestinal.
It’s a 6 to 8 m long tubular structure that reaches from the mouth to the anus, is to provide the body with nutrients.
What are pancreatic juices and bile for?
Pancreatic it juices and bile are added to the chyme in the duodenum to digest the carbohydrates, fat, and protein. Specialized in zymes split these micronutrients into the smallest subunits for absorption. Bile is added to emulsify lipid droplets and facilitate digestion and absorption.
Where does 90% to 95% of all absorption take place?
About 90% to 95% of all absorption takes place in the duodenum and jejunum (first parts of the small intestine nine).
What is the large intestine for?
The large intestine nine is a storage place for Undigested food residues and the final water and electrolyte absorption occurs there.
Gastro Neil problems and incidents are increased by?
Gastrointestinal problems are a common phenomenon, mainly among endurance athletes, and the incidence is increased by physiological factors, mechanical factors, and nutrition.
Salivary glands
Release enzymes and protect against oral bacteria
Secretin
Stimulates bicarbonate secretion in pancreatica juice
Esophageal sphincter
Dysfunction can cause heartburn
Large intestine
Store species until they can be expelled
Motility
Refers to the movement of food in the G.I. tract
Probiotics
Beneficial bacteria that can be found in yogurt
Liver
Processes nutrients that are sent from the intestines