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Digestion pt 2

QuestionAnswer
Where does chemical digestion begin? The mouth
Breaking down food into simpler nutrients Chemical digestion
Chemical digestion locations? Mouth, stomach, small intestine
What happens in the mouth? Carbs broken down by disaccharides by Salivary Amylase
What happens in stomach during chemical digestion? HCL unravels the protein and activates pepsinogen
When does chemical digestion occur? Food mixes with digestive juice (HCL and pepsin)
Once food is broken down, the ___ stores it in an ____ _____ called _____ Stomach, acidic liquid, chyme
Major place of chemical digestion? Small intestine
Benefits of chemical digestion Own digestive enzymes and pancreatic enzymes
Small intestines produce its own ____ Enzymes
2 enzymes in small intestine Disaccharidoses and peptidases
Pancreas produce 3 enzymes. What are they? Amylase (most powerful enzyme), protease, lipase
The 3 P’s Pepsin (stomach), peptidases (small intestine), proteases (pancreas)
Transfer of nutrients out of digestive tract and into the blood and lymph Absorption
Absorption takes place in the ____ _____ Small intestine
Tiny finger like projections located in small intestine Villi
Increases surface area for absorption of nutrients Villi
What is ENS? Enteric Nervous System
Blood capillaries + Lymph = Lacteals
Location of ENS Submucosa (between the muscle layers)
Esophagus to Rectum ENS
2 parts of the Autonomic Nervous System Sympathetic (fight or flight) and Parasympathetic (chill. Rest and digest)
ANS ____ speed of ____ Increases, digestion
What is necessary for digestion? Hormones
Activated by food in stomac, increase HCL production Gastrin
Activated by fats and proteins in duodenum. Gallbladder and pancreatic enzymes CCK
Activated by food in duodenum. Puts out bicarbonate solution. Secretin
Stomach enters the chest cavity through the diaphragm Hiatial Hernia
Gastric backflow up esophagus GERD
Lymph and fatty acids Chyle
Created by: Williewheeler1
 

 



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