These tiny fingerlike structures increase the surface area for nutrient absorption.
Answer: What are villi?
This nutrient group includes sugars and starches and is the body’s main quick energy source.
Answer: What are carbohydrates?
Breaking food into smaller pieces by chewing is this type of digestion.
Answer: What is mechanical digestion?
The removal of wastes from the body is called this process.
Answer: What is excretion?
A healthy diet should include a balance of nutrients plus this essential liquid.
Answer: What is water?
This organ produces bile to help break down fats.
Answer: What is the liver?
The energy in food is measured using this unit.
Answer: What is a calorie?
Using enzymes to break food into simpler substances is called this.
Answer: What is chemical digestion?
This microscopic structure filters wastes from the blood in the kidneys.
Answer: What is a nephron?
Getting the right number of calories alone does not guarantee this.
Answer: What is a healthy diet?
This organ stores bile until it is needed.
Answer: What is the gallbladder?
This nutrient builds body tissues and provides amino acids.
Answer: What is protein?
This wave-like muscle movement pushes food through the digestive tract.
Answer: What is peristalsis?
This tube carries urine from the kidney to the bladder.
Answer: What is the ureter?
Your kidneys conserve water by sending less of it into this when your body is dehydrated.
Answer: What is urine?
This accessory organ produces enzymes that help digest carbohydrates, fats, and proteins.
Answer: What is the pancreas?
This nutrient stores long-term energy and helps protect organs.
Answer: What are fats?
Most mechanical digestion occurs in these two organs.
Answer: What are the mouth and stomach?
This organ stores urine until it is released.
Answer: What is the bladder?
This is an acceptable way to improve athletic performance.
Answer: What is exercise, training, or healthy nutrition?
Food does not pass through these organs but they help digestion.
Answer: What are accessory organs?
These nutrients help regulate body processes and are often found in fruits and vegetables.
Answer: What are vitamins?
This long organ is where most digestion and absorption take place.
Answer: What is the small intestine?
This structure carries urine out of the body.
Answer: What is the urethra?
This method of improving athletic performance is considered unsafe and unacceptable.
Answer: What are performance-enhancing drugs?