Unit 2 Review

Question 1

what are the 2 parts of the central nervous system?

Answer 1

brain & spinal cord

Question 2

controls voluntary muscles. (ex: throwing/kicking a ball)

Answer 2

somatic nervous system

Question 3

controls involuntary muscles. (ex: heart rate/beat, blood pressure)

Answer 3

autonomic nervous system

Question 4

carries the impulses from the cell body toward the axon terminals

Answer 4

axon

Question 5

white, fatty substance that insulates and protects the axon for some neurons

Answer 5

myelin sheath

Question 6

conduct impulses from sense organs (ex: eyes, nose, skin)

Answer 6

sensory neurons

Question 7

conduct impulses to muscles or glands

Answer 7

motor neurons

Question 8

plays an important role in motor control (posture & balance)

Answer 8

cerebellum

Question 9

part of hind brain, controls your breathing & a variety of reflexes

Answer 9

medulla

Question 10

gives one the ability to learn and store complex & abstract information & to project thinking in the future

Answer 10

cerebral cortex

Question 11

band of fibers that connects the left and right hemispheres of the cerebral cortex

Answer 11

corpus callosum

Question 12

concerned with organization, planning, and thinking

Answer 12

frontal lobe

Question 13

concerned with hearing, memory, emotion and speaking

Answer 13

temporal lobe

Question 14

imaging technique used to study the brain to pinpoint injuries and brain deterioration

Answer 14

CAT/CT scan

Question 15

imaging technique used to see which brain areas are being activated while performing tasks

Answer 15

PET scan

Question 16

measuring technique used to study the brain structure and activity

Answer 16

MRI