Monogastric Animal Digestive System
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What are some monogastric animals?
Pigs, horses, humans, dogs, cats, poultry
The monogastric digestive system utilizes what?
Grains
The monogastric digestive system uses fibrous feeds how?
Poorly
Monogastric digestion begins in the what?
Mouth
Pig saliva contains what enzyme?
Salivary amylase
What is the motion that pushes food through the esophagus?
Peristalsis
What is peristalsis
The motion that pushes food through esophagus?
Why is the stomach in monogastrics so muscular?
It has to be muscular in order to “puff out” or “balloon” to make room for the food we eat
What are the pH levels in the stomach?
1-2
What enzyme is in the mouth
Amylase
What is the enzyme in the small intestine?
Alkaline
What are the functions of the stomach?
• Stores ingested food • Physcial breakdown of food • Secretes digestive juices
What are the stomach regions
• Esophageal region • Cardiac Region • Fundic Region • Pyloric Region
What is the espophagial region of the stomach?
Where food is exposed to the stomach
What is the caridac region of the stomach?
It makes a mucus lining, it makes the inside of the stomach slippery, acting as a protectant lining
What is the fundic region of the stomach?
Pepsinogen (pepsin) is produced here
What is the pyloric region of the stomach?
It creates mucus and enzymes, and it is right before the small intestine
What are the 3 regions of the small intestine?
• Duodenum • Jejunum • Ileum
What is the functions of the duodenum?
It receives secretions from the pancreas and liver
What is the active site of digestion?
The duodenum
What is the functions of the jejunum?
It’s the active site of absorption
Where does digestion NOT happen?
The Jejunum
What is the functions of the ileum?
It absorbs nutrients
What does the vili do?
• It lines the intestional wall • Increases absorption capacity of the small intestine by 10x