Absorption & Accessory Organs
Nutrients & Food Energy
Digestion Basics
Kidneys & Excretion
Healthy Choices
100

These tiny fingerlike structures increase the surface area for nutrient absorption.

Answer: What are villi?


100

This nutrient group includes sugars and starches and is the body’s main quick energy source.

Answer: What are carbohydrates?


100

Breaking food into smaller pieces by chewing is this type of digestion.

Answer: What is mechanical digestion?


100

The removal of wastes from the body is called this process.

Answer: What is excretion?


100

A healthy diet should include a balance of nutrients plus this essential liquid.

Answer: What is water?


200

This organ produces bile to help break down fats.

Answer: What is the liver?


200

The energy in food is measured using this unit.

Answer: What is a calorie?


200

Using enzymes to break food into simpler substances is called this.

Answer: What is chemical digestion?


200

This microscopic structure filters wastes from the blood in the kidneys.

Answer: What is a nephron?


200

Getting the right number of calories alone does not guarantee this.

Answer: What is a healthy diet?


300

This organ stores bile until it is needed.

Answer: What is the gallbladder?


300

This nutrient builds body tissues and provides amino acids.

Answer: What is protein?


300

This wave-like muscle movement pushes food through the digestive tract.

Answer: What is peristalsis?


300

This tube carries urine from the kidney to the bladder.

Answer: What is the ureter?


300

Your kidneys conserve water by sending less of it into this when your body is dehydrated.

Answer: What is urine?


400

This accessory organ produces enzymes that help digest carbohydrates, fats, and proteins.

Answer: What is the pancreas?


400

This nutrient stores long-term energy and helps protect organs.

Answer: What are fats?


400

Most mechanical digestion occurs in these two organs.

Answer: What are the mouth and stomach?


400

This organ stores urine until it is released.

Answer: What is the bladder?


400

This is an acceptable way to improve athletic performance.

Answer: What is exercise, training, or healthy nutrition?


500

Food does not pass through these organs but they help digestion.

Answer: What are accessory organs?

500

These nutrients help regulate body processes and are often found in fruits and vegetables.

Answer: What are vitamins?

500

This long organ is where most digestion and absorption take place.

Answer: What is the small intestine?

500

This structure carries urine out of the body.

Answer: What is the urethra?

500

This method of improving athletic performance is considered unsafe and unacceptable.

Answer: What are performance-enhancing drugs?