Digestive Organs
Digestive Functions
Enzymes and Chemicals
Digestion
Digestive Disorders
100

What organ begins mechanical digestion by chewing food?

Mouth

100

What is the process of breaking food into smaller pieces called?

Digestion

100

What substance in the mouth begins breaking down starches?

Saliva (or salivary amylase)


100

What nutrient gives the body quick energy?

Carbohydrates

100

What digestive disorder causes a burning feeling in the chest from stomach acid?

Acid reflux

200

What tube carries food from the mouth to the stomach?

Esophagus

200

What type of digestion uses teeth and muscles to break down food?

Mechanical Digeston

200

What acid is found in the stomach?

Hydrochloric acid (HCl)

200

What nutrient is broken down into amino acids?

Proteins

200

What happens when a person cannot have regular bowel movements?

Constipation

300

What organ churns food and mixes it with acid?

Stomach

300

What type of digestion uses enzymes to break down food?

Chemical Digestion



300

What organ produces bile?

Liver

300

What nutrient is broken down into fatty acids and glycerol?

Lipids (fats)

300

What is inflammation of the appendix called?

Appendicitis

400

What organ absorbs most nutrients from food?

Small intestine

400

What is the movement of food through the digestive tract by wave-like muscle contractions called?

Peristalsis

400

What organ produces many digestive enzymes?

Pancreas

400

In what organ does most nutrient absorption occur?

Small intestine

400

What disease occurs when the body cannot properly regulate blood sugar?

Diabetes

500

What organ absorbs water and forms feces?

Large intestine

500

What process moves nutrients from the intestines into the bloodstream?

Absorption 

500

What substance helps break down fats into smaller droplets?

Bile

500

What tiny finger-like structures increase absorption in the small intestine?

Villi

500

What digestive disorder is caused by stomach acid damaging the stomach lining?

Ulcer