Unit 3 - Biological Bases of Behavior

The ________ is the most complex structure in the known universe and a wonder of God's creation.

Neurons differ from other cells in that they communicate with each other via specialized extensions called:

• dendrites and axons

• synapses

• myelin sheaths

• terminal buttons

The axon is a long, very thin tube leading away from the cell body. The axon has appendages called:

• dendrites and axons

• neurons

• axon terminals

The _____ is also known as the "little brain."

• Corpus Callosum

• Pons

• Cerebellum

• Cerebral Cortex

The _________ system consists of a number of structures surrounding the brain stem and is involved in motivation, emotion, and memory.

• limbic

• parietal

• occipital

• somatic

The _______ system restores the body to a state of rest and relaxation

• Sympathetic

• Parasympathetic

The __________ system creates an excited state, as in “fight or flight” situations.

• Sympathetic

• Parasympathetic

The __________ sends and receives signals that affect many aspects of behavior and motor control.

_______ plays a role in sleep, the regulation of mood; and control of eating; the regulation of pain; and control of dreaming.

• Serotonin

• GABA

• Dopamine

• Acetylcholine

_______ is active when we sleep and is associated with calming effects.

• Acetylcholine

• Dopamine

• Serotonin

• GABA