Chapter 2, Functional Anatomy

Question 1

What is agenesis? In rare cases…

Answer 1

The failure of the brain regions to develop
In rare cases, a complete structure is absent

Question 2

The cerebellum contains the most __ within the brain, accounting for about __ of them in humans.

Answer 2

neurons
80%

Question 3

The brain’s primary function is to produce __, collectively termed __.

Answer 3

movement
behavior

Question 4

The difference in subjective experiences is merely due to __. These differences across species allow different animals to __.

Answer 4

differently evolved systems for processing sensory stimuli
exploit different features of their environment

Question 5

Phenotypic plasticity can be demonstrated in the way our __. Specifically stated, our __ interacts with our __ to elicit a specific __.

Answer 5

Skin changes in response to UV rays by getting darker by producing more melanin
genotype
environment
phenotype

Question 6

In functional organization, the focus is on how __.

Answer 6

parts of the system work together

Question 7

The somatic system involves all the __ and __ that carry sensory information to the __ from muscles, joints, and skin. It also transmits __ that produce __.

Answer 7

spinal cord
cranial nerves
CNS
outgoing motor instructions
movement

Question 8

The autonomic nervous system produces __ and __ response through our __ (calming nerves) and our __ (arousing nerves),

Answer 8

rest
digest
parasympathetic
sympathetic

Question 9

Afferent signals and Efferent signals

Answer 9

incoming signals (sensory)
outgoing information (motor)