Digestive System Quiz

Small intestine parts

Duodenum, jejunum, ileum

Small intestine function

Major site of chemical digestion (duodenum) and absorbs 90% of nutrients here

Small intestine secretion

Mucus and digestive enzymes (peptidases, sucrase, lipases)

Large intestine parts

Cecum, colon (ascending, transverse, descending, sigmoid) , rectum, anal canal

Large intestine function

Stores feces and absorbs water & electrolytes

Large intestine secretion

Mucus

Incisors

Chisel-shaped to bite off relatively large pieces of food

Cuspids

Cone-shaped and useful in grasping or tearing food

Bicuspids & molars

Flattened surfaces to grind food particles

Gastric juice components

Mucus, pepsin, HCl, intrinsic factor, gastrin

Gastric cells

Mucous (secretes mucus), Chief (secretes pepsin), Parietal (secretes HCl and intrinsic factor), G-cells (secrete gastrin)

Mouth

Adapted to receive food and start digestion by chewing and mixing with saliva

Salivary glands

Secretes saliva, lubricates, binds food together, and begins digestion of carboydrates

Pharynx

Passsage way of food into esophogus

Esophogus

Passageway for food to move from pharynx to stomach

Stomach

Mixes food and secretes acid and enzymes that digest food

Pancreas

Releases pancreatic juice into the duodenum

Liver

Produces bile, filters blood, destroys toxins, stores glycogen, vitamins A, B12, D, and iron, and metabolizes carbs, lipids, and proteins

Gall bladder

Stores bile between meals

Gastroesophageal Sphincter

Esophagus and stomach

Pyloric Sphincter

Stomach and small intestine

Ileocecal Valve

Small and large intestine

Internal and external anal sphincter

Large intestine to outside

Bolus

food + saliva

Chyme

Bolus and gastric juice mixed together

Bile

Made of bile salts, bile pigments, cholesterol, and electrolytes and makes fat molecules into small droplets