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

Human Body System #3

Unit 2 Test Study Stack

A momentary reversal in electrical potential across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus. Action Potential
A long nerve cell process that usually conducts impulses away from the cell body. Axon
Any of the usually branching protoplasmic processes that conduct impulses toward the body of a neuron. Dendrite
An atom or group of atoms that carries a positive or negative electric charge as a result of having lost or gained one or more electrons. Ion
In a neuron, an insulating coat of cell membrane from Schwann cells that is interrupted by nodes of Ranvier. Myelin Sheath
A physician skilled in the diagnosis and treatment of disease of the nervous system. Neurologist
A nerve cell; the fundamental unit of the nervous system, having structure and properties that allow it to conduct signals by taking advantage of the electrical charge across its cell membrane. Neuron
A substance (as norepinephrine or acetylcholine) that transmits nerve impulses across a synapse. Neurotransmitter
The time elapsing between the beginning of the application of a stimulus and the beginning of an organism's reaction to it. Reaction Time
An automatic to a stimulus that involves a nerve impulse passing inward from a receptor to the spinal cord and thence outward to an effector (as a muscle or gland) without reaching the level of consciousness and often without passing to the brain. Reflex
The place at which a nervous impulse passes from one neuron to another. Synapse
Created by: maseyann