Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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

Dig and Excret Sys

Digestive and Excretory Systems

digestive system body system that breaks down food so the body can use the nutrients
incomplete digestive system a digestive system with a sac-like form, with single opening into which the food enters and from which undigested food remnants exit; example - hydra
complete digestive system digestive system consisting of a digestive tract and two body openings (mouth and anus)
mechanical digestion Physical breakdown of large pieces of food into smaller pieces
chemical digestion Process by which enzymes break down food into small molecules that the body can use
esophagus A muscular tube that connects the mouth to the stomach.
saliva digestive juice produced by salivary glands
small intestine in the digestive system, the long muscular tube where most digestion takes place
stomach the pouch-like body part below the esophagus, which stores and processes chewed food
anus opening through which undigested food remnants exit a digestive system
liver organ that produces bile, stores glycogen, and removes toxins from the body
kidneys paired organs that clean the blood, producing urine from waste
excretory system the system that removes metabolic wastes from the body
large intestine in the digestive system, the long organ that removes excess water from undigested food
mouth an opening through which food enters a digestive system
bladder organ that stores liquid waste before it leaves the body; the bladder can stretch to hold about a pint of urine
enzymes Catalysts for chemical reactions in living things
stomach acid Breaks down proteins, breaks them down into sugar and acids
Created by: kmaddix
Popular Biology sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards