Anatomy Basics
Tooth & Mouth Health
Digestion Process
Urinary System
Small vs. Large Intestine
100

This muscular tube connects the mouth to the stomach.

What is the esophagus?

100

The part of the tooth seen above the gum.

What is the crown?

100

The wavelike muscular action that moves food through the digestive tract.

What is peristalsis?

100

The muscular sac that stores urine.

What is the bladder?

100

This 20-foot-long organ is where most nutrient absorption happens.

What is the small intestine?

200

This organ is where most chemical digestion takes place.

What is the small intestine?

200

A condition in which the gums become red, swollen, and bleed easily.

What is gingivitis?

200

This organ produces bile and removes harmful materials from the body.

What is the liver?

200

The tube that carries urine from the bladder to the outside of the body.

What is the urethra?

200

These tiny fingerlike projections increase surface area for absorption.

What are villi?

300

Another name for the large intestine.

What is the colon?

300

This sticky, bacteria-filled film constantly forms on teeth.

What is plaque?

300

Food mixed with gastric juice in the stomach is called this.

What is chyme?

300

Liquid waste from the kidneys containing water and urea.

What is urine?

300

This organ absorbs water and gets rid of waste.

What is the large intestine?

400

This organ filters waste from the blood.

What are the kidneys?

400

This small flap of tissue covers the opening of the windpipe when you swallow.

What is the epiglottis?

400

The overall process of breaking down food into nutrients your body can use.

What is digestion?

400

A painful mass of salts that forms in the kidney or urinary tract.

What are kidney stones?

400

This organ stores bile.

What is the gallbladder?

500

This long tube carries urine from the kidney to the bladder.

What is the ureter?

500

Substances that speed up chemical reactions in the body.

What are enzymes?

500

This mixture of hydrochloric acid and enzymes helps break down food in the stomach.

What is gastric juice?

500

This waste gas is removed from the body when you exhale.

What is carbon dioxide?

500

This condition causes ongoing inflammation of the lower intestine.

What is Crohn’s disease?