Digestive organs and their function

Esophagus

Delivers food to stomach

Salivary glands

Lubricate food; produce buffers and enzymes that begin digestion

Mouth

Mixes food with salivary secretion; taste, chewing

Anus

Opening to exterior for discharge of feces

Pharynx

Passageway shared with respiratory system, leads to esophagus

Large intestine

Removes water from nondigested material; stores wastes

Stomach

Secretes acids and digestive enzymes that break down proteins

Pancreas

Secretes digestive enzymes and buffers into small intestine; produces hormones

Small intestine

Secretes enzymes and other factors for nutrient digestion; absorbs nutrients

Liver

Secretesbile (required for lipid digestion); synthesizes blood proteins; stores lipid and carbohydrate reserves

Gallbladder

Stores biles for release into small intestine