Organs of Digestion
Enzymes & Chemicals
Nutrients & Absorption
Digestive Disorders
Fun Facts & Challenge
100

Question: This organ is where food first enters the digestive system and chewing begins.

Mouth

100

This enzyme in saliva begins the digestion of starch.

Amylase

100

These nutrients are the body's main source of quick energy.

Carbohydrates

100

This happens when stomach acid moves back up into the esophagus.

Acid Reflux

100

This muscular action pushes food through the digestive tract.

Peristalsis

200

This tube carries food from the mouth to the stomach.

Esophagus?

200

This strong acid in the stomach helps break down food.

hydrochloric acid

200

These nutrients are used for growth and repair.

Proteins

200

This common condition causes difficulty passing stool.

Constipation

200

The average adult has about this many teeth.

32 Teeth

300

This organ churns food and mixes it with acid.

Stomach

300

This enzyme digests proteins in the stomach.

Pepsin

300

This nutrient provides long-term energy storage.

Fats

300

This condition causes frequent loose or watery stools.

Diarrhea

300

This waste product leaves the body after water is removed in the large intestine.

Feces

400

Most nutrients are absorbed in this long organ.

Small Intestine

400

This substance made by the liver helps break fats into smaller droplets.

Bile


400

Tiny finger-like structures in the small intestine that absorb nutrients.

Villi

400

This disease happens when the body cannot tolerate gluten.

Celiac Disease

400

This organ is considered both part of the digestive and endocrine systems.

Pancreas

500

This organ produces bile to help digest fats.

Liver


500

This organ releases digestive enzymes into the small intestine.

Pancreas

500

This process moves digested nutrients from the intestine into the bloodstream.

Absorption

500

Inflammation of the appendix is called this.

Appendicitis

500

Name the correct order: Mouth, esophagus, stomach, ________, large intestine.

Small intestine