__________________________ Having to do with reality and fidelity to perception.

__________________________ A color that appears to be closer to the yellow-to-red side of the color wheel.

__________________________ Composed of straight lines.

__________________________ Any one of a number of characteristics of line determined by its weight, direction, uniformity or other features.

__________________________ A surface impenetrable by light.

__________________________Subtle colors that result from dulling prismatic colors down considerably.

Neurotransmitters are released from which portion of the neuron?

Oligodendrocytes are found in the CNS and Schwann cells are found in the PNS. 

Which of the following is the correct order of events involved in an action potential within a neuron?

Which plexus gives rise to the phrenic nerve that innervates the diaphragm?