The ________ filters and relays sensory information to cerebral cortex.

A threshold stimulus is the

The ________ nervous system controls the skeletal muscles.

The insulating membrane oligodendrocytes construct around axon fibers is called the

The ________ nervous system is composed of the brain and spinal cord.

The ________ principle states that the size and speed of the action potential are independent of the stimulus strength.

Bipolar neurons have

Proprioceptors

A threshold stimulus is the

The ________ nervous system is composed of the brain and spinal cord.