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Health Part 3 - Digestive System

Health - Digestive System


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Food Passageway that connects the mouth to the stomach
Parietal Cells
Releases hydrochloric acid
Submucosa Membrane
Made of blood vessels, lymphatic vessels, nerves, glands, and loose connective tissue
Gastric Pits
located at the end of gastric glands
The most important Gastric Juice; begins the digestive process of all food molecules and is activated by the acidic environment of the stomach known as hydrochloric acid
Chief Cells
Secrete digestive enzymes
Gastric Glands Makeup
Chief Cells, Mucous cells, Parietal Cells
Liver Functions
Carbohydrate metabolism, lipid metabolism, protein metabolism, storage, blood filtering, detoxification
Serosa Layer
Secretes fluids to allow organs in the abdominal cavity to slide against each other
Alimentary Canal
Made up of mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum and anus. It extends 8 meters
Mucous Cells
Secrete mucus in the stomach to coat the lining of the walls of the stomach to protect it from the hydrochloric acid
Muscular Layer
Contracts to push the food through
Salivary Glands
Secrete saliva to moisten and bind food particles together to hel aid the chemical digestion process of carbs
Pancreatic Amylase
the Carb-digesting enzyme, which splits the molecules of starch or glycogen into disaccharides
Mucosa Membrane
Investigate food particles as they enter the mouth and secretes mucus and digestive enzymes
holds 1L or more of food particles. Mixes with other juices before letting it enter the small intestine
Intrinsic Factor
Another important juice; aids the small intestine in absorbing vitamin B12.
Secretes pancreatic juices that contains enzymes that digest carbs, fats, nucleic acids, and proteins
The combination of food particles and gastric juices
Chapter 4, Section 2
What chapter is the Nutrient part in and what section?

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