TEAS_6_Gastrointestinal

What does the salivary gland do

Release digestive enzymes that mix with the food to begin breakdown

What does the pharynx do

Trigger swallowing

Steps of digestion (8)

1. Salivary gland
2. Pharynx
3. Esophagus
4. Stomach
5. Small intestine
6. Cecum
7. Large intestine
8. Colon

Duodenum

Digestion of protein, carbohydrate, and fat

Jejunum

Absorbs 90% of all nutrients

Ileum

Absorbs vitamin B, bile salts and acids

What does the colon absorb

Water salt, and vitamin K

What does the salivary gland produce

Saliva

What is the importance of the salivary gland

Breaks down carbohydrates and lipids

What does the parietal cell produce

Hydrochloride acid

What is the importance of parietal cells

Causes protein to denature and turns Pepsinogen to pepsin

What do chief cells produce

Pepsin

What is the importance of chief cells

Digest protein by breaking down amino acid

What do chief cells additionally produce

Gastric lipase

What is the importance of chief cells (2)

Digest lipids and fats in stomach

What do goblet cells produce

Mucus

What is the importance of goblet cells

protect and maintain stomachs mucosal lining

What does the pancreas produce

Pancreatic bicarbonate

What is the importance of the pancreas

Neutralize chime in the duodenum

What is the importance of the pancreas (2)

Digest lipids and fats in the small intestine

What does the pancreas produce (2)

Pancreatic lipase

What does the liver produce

Bile

What is the importance of the liver

AIDS in fat digestion and absorption

What does the SI and pancreas produce

Trypsin

What does the microvili produce

Brush border enzymes

What is the importance of microvili

break down lactose and convert trips in Ogden and trypsin

Alimentary canal

Pathway that food travels while being digested and absorbed

Bolus

Chewed food

Peristalsis

Wavelike contraction of smooth muscle along digestive tract

Chyme

Stomach contents

Where is the upper esophageal sphincter located

between pharynx and esophagus

Where is the lower esophageal sphincter located

between esophagus and stomach

Where is the pyloric sphincter located

between stomach and small intestine

Where is the ileocecal sphincter located

between small and large intestine

What does analyze break down

Carbohydrates in the mouth

What does lipase break down

Lipids in the mouth

What does pepsin break down

Proteins in the stomach

What does lactase break down

Lactose in the small intestine

What does protease break down

Proteins in the small intestine

What does vili (small intestine) do for the digestive system