Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Biology

Nervouse system

TermDefinition
Hydras(cnidarian) Nerve net- neurons in contact with one another
Echinoderms Have nerves-Bundle of neurons Have actual tube feet and can hunt and crawl and interact with one another.
Planarians(flat worms) Ladder like nervouse system Cephalization- concertation of ganglia & sensory receptors in the head(first group to have it) means it has a head and tail(cephalization is the head) Have both Central (CNC) and peripheral (PNS) nervouse system
Insects Brain, ventral nerve cord, ganglia(clusters of neurons) Specialized pathway are ganglia
Mollusks(like octopus) Complex brains- millions of neurons organized into specialized lobes True nervous systems Increased complexity is what is important for complex problem solving
Vertebrates(everything with a backbone) CNS-Brain & spinal cord PNS- Cranial nerves & spinal nerves Anything coming out of the brain is the cranial nerve and one of the spine is the spinal cord
Central Nervouse System Integration center
Peripheral Nervouse System Gather info from sensors and conduct decisions of effecters
3 specific functions Receiving sensory input Performing Integration Generating motor output
Neurons Cell Body(soma) Dendrites receive signals from sensory receptors(receives the information) Axon- conducts nerve impulses (directs the information to the next target(covered myelin sheaths)
Created by: Jbnelson
Popular Anatomy sets

 

 



Voices

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:
Retries:
restart all cards