The sodium/potassium pump forces more sodium ions inside neurons to make the resting membrane potential more negative.

In this diagram, what type of neuron is the blue one?

Upper motor neurons are located in the primary motor cortex, and their axons extend all the way to skeletal muscle fibers.

Which of these structures contains cell bodies of unipolar, sensory neurons?

Spinal reflexes do not occur until the cerebrum stimulates the reflex action to occur.

The tough, outer covering of the eye that helps the eye maintain its shape is called the choroid.

The limbic system is the emotional part of the brain and includes structures such as the amygdaloid body.

Which photoreceptor cell is responsible for detection of different colors?

What is happening to Neuron A in this diagram of a withdrawal-crossed extensor reflex?

Glutamate is a common excitatory neurotransmitter of the CNS, which means that it: