Basic unit of the nervous system; another name for nerve cell.
Nerves that branch out from the spinal cord and connect to rest of body.
What are the two main parts of the central nervous system?
When you touch something hot, what is the path of the message?
As organisms get more complex, cells become specialized to perform specific functions in the body. What is the function for the cell shown?
Small space between neurons
Part of neuron; carries messages away from the cell body.
Name the structure labeled 'B' (see image)
The structure labeled 'E' is called _____ and is filled with ______
Sensory neurons are also called ____________ neurons
Motor neurons send information _______
Any signal molecule that binds to a receptor is called a _______.
Which part of a neuron RECEIVES a signal?
During an action potential, what occurs during 'A' (see graph)?
During an action potential, what occurs during 'B' (see graph)?
During an action potential, what occurs during 'C' (see graph)?
During an action potential, what are sections A, B, and C (in that order) called?
What's significant about -55 mV?
Which of the following is true about cells at resting potential?