Digestion quizzzbuzz

Gall bladder

Stores bile.

Amylase

Enzyme that breaks down sugars in the mouth.

Small intestine

The part of the digestive system where absorption of most food nutrients takes place.

Pepsin

Enzyme that breaks down proteins in the stomach.

Rectum

Main function is temporary storage of waste.

Appendix

Plays a minor role in digestion.

Mucus

Protects the stomach wall from acid.

Lipase

Enzyme that digests fats.

Nucleases

Enzymes that act on nucleic acids.

Cholecystokinin (CCK)

Hormone known as pancreozymin.

Gastrin

Stimulates gastric juice secretion.

Ghrelin

Hormone that acts as a hunger stimulator.

Secretin

The first discovered digestive hormone.

Trypsin

Enzyme that digests proteins in the small intestine.

Peptide YY (PYY)

Hormone causing dilation of blood capillaries.

Gastric juice

Contains lipase, pepsinogen, and HCl.

Pancreatic juice

Contains enzymes for protein, lipid, carb, and nucleic acid digestion.

HCl

Activates pepsinogen into pepsin.

Mucus

Helps intestines by making food slippery and soft.

Bile

A bitter greenish-brown alkaline fluid that aids digestion and is secreted by the liver and stored in the gall bladder.

Liver

Produces bile, which emulsifies fats for digestion.

Salivary glands

Glands in the mouth that produce saliva, containing amylase to start carbohydrate digestion.

Esophagus

The tube that carries food from the mouth to the stomach.

Stomach

A muscular organ that churns food and mixes it with gastric juices containing enzymes and hydrochloric acid.

Duodenum

The first part of the small intestine, where most chemical digestion takes place.

Jejunum

The middle section of the small intestine, responsible for nutrient absorption.

Ileum

The final section of the small intestine, absorbing vitamin B12 and bile salts.

Large Intestine

Absorbs water and electrolytes, forming feces.

Peristalsis

Wave-like muscle contractions that move food through the digestive tract.

Villi

Small, finger-like projections in the small intestine that increase surface area for absorption.

Microvilli

Tiny projections on the surface of villi that further increase surface area for absorption.

Chyme

The pulpy acidic fluid that passes from the stomach to the small intestine, consisting of gastric juices and partly digested food.