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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.

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


Majors animal: Anatomy of the tunicate (matching)

Incurrent siphon Water enters this opening, bringing fresh oxygen and suspended food particles
Excurrent siphon Water exits this opening, carrying wastes and carbon dioxide out of the animal
Pharynx Receives incoming water from mouth, entraps food in a film of mucus, and is responsible for gas exchange
Endostyle Secretes mucus that forms sticky coating of pharynx to trap food particles
Pharyngeal slits Allow for outflow of water from pharynx into atrium
Atrium Body chamber that receives water passed from pharynx through pharyngeal slits
Stomach Primary digestive organ
Intestine Site of nutrient absorption
Anus Regulates egestion of undigested food (feces) from the body
Stolons Holdfasts that allow animal to anchor itself firmly to substrate
Heart Pumps blood through vessels and sinuses of open circulatory system
Adhesive discs Used by larvae to attach to substrate prior to metamorphosis
Notochord Provides skeletal support for anchoring of swimming muscles in the larval form
Dorsal nerve cord Handles nervous coordination in the larval form
Created by: scandalouscanine