Receptors respond to commands from the effectors.

Nerve fibers are insulated from one another by ________.

A bundle of axons that transmits signals from the spinal cord to a gland would most likely be called

If you were to cut open a ventral root you would find

During the repolarization phase of an action potential, Potassium (K+) ions exit the neuron through channels.

Which of the following neuroglia are not part of the CNS?

Opening of Na+ gates at the beginning of an action potential is caused by the activation of a receptor.

Action potentials can occur on dendrites.

The integration center interprets information received from sensory receptors.

The opening of ________ gates produces an ________.