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:

Which of these is a chemical class of neurotransmitter?

This substance composed of phospholipids and proteins (a rolled up sheet of cell membrane) insulates the axons of motor neurons:

What is the major function of the structures at A?

The cranial nerve pair that extend deep into the thoracic and abdominopelvic cavity and contain many parasympathetic axons are the hypoglossal nerves.

This part of the brain helps you recall past memories of sounds so you can identify noises:

Which of the indicated brain regions is most responsible for receiving and processing visual information?

Nerves contain no connective tissues.