Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Digestive system

Carbohydrates energy rich organic compounds
Proteins large organic molecules made of carbon
Absorption when nutrient molecules pass through the wall of the digestive system into the blood stream
Mucus a thick slippery substance produced by the body
Rectum a short tube at the end of the large intestine where waste is compressed into a solid before being eliminated
Nutrient substance in food that provides the raw materials and energy that the body needs
Fat high energy nutrients that are composed of carbon, oxygen, and hydrogen that contain two times the amount if energy in a carbohydrate
Mineral nutrients needed by the body in small amounts that are not made by living things
Fiber a complex carbohydrate that is found in plant food and can not be broken down into sugar molecules in the body
Epiglottis a flap of tissue that seals off the wind pipe and prevents food from entering
Small Intestine the part of the digestive system in which most of the chemical digestion takes place
Villus tiny finger shaped structure that cover the inner surface of the small intestine and provide a large surface area through which digested food if absorbed
Calorie the amount of energy needed to raise the temperature of one gram of water by one Celsius degree
Cholesterol a waxy fat like substance found only in animal products that is an important part of the bodies cells ; can build up and artery wall
Digestion the process by which the body breaks down food into small nutrient molecules
Esophagus a muscular tube that connects the mouth to the stomach
Liver the largest and heaviest organ inside the body that breaks down substances and eliminates nitrogen
Large Intestine the last section of the digestive system that absorbs any water left in the food
Glucose a sugar that is the main source of energy in the bodies cell
Amino Acids small units that are linked together chemically
Saliva a fluid in the mouth that helps and starts the break down of food
Anus the opening at the end of an organisms digestive system
Bile a substance produced by the liver to break up fat particles
Enzyme a substance that speeds up chemical reactions in the body
Pancreas a triangular organ that produces enzymes that flow into the small intestine
Gallbladder an organ that stores bile after it is produced by the liver
Peristalsis involuntary waves of muscle contraction that keeps food moving
Created by: morgan10