Digestive System Anat 2

Digestion

Break down of food into smaller molecules

Absorption

Small molecules are reabsorbed

Elimination

Getting rid of undigested remains

Salivary Glands

Lubrication, antimicrobial agents and Amylase

Pharynx

common passageway for food

Esophagus

Pharynx to Stomach, Peristalsis

Stomach

Stores food, Digestion of protein, Kill bacteria, make chyme

Small intestine

Absorption (Carbs, Lipids, AA, Ca2+, iron, bile salts, Vitamin B12 and water electrolytes)

Large intestine

Absorption of water, electrolytes and vitamins, help breakdown indigestible molecules

Rectum

Final segment of the large intestine, absorbing some electrolytes and breaking down undigestible food by bacteria

Liver and Gallbladder

Production/Secretion of bile, detoxification of blood, secretion/ storage of glucose, production of albumin

Pancreas (Exocrine)

secretes into the GI system. Makes enzymes, including amylase, trypsin and lipase

Salivary glands

Production/secretion of salivary amylase