chapter 2

Question 1

neurons

Answer 1

communicated with our body

Question 2

dendrites

Answer 2

receives the signal

Question 3

cell body

Answer 3

“soma” hits the axon hillock

Question 4

axon hillock

Answer 4

decides whether a signal goes through

Question 5

nodes of ranvier

Answer 5

parts of the axon not cover by the myelin sheath

Question 6

terminal buttons

Answer 6

small knobs at the end of an axon

Question 7

agonist drugs

Answer 7

increase the action of neurotransmitter

ex: zolaft

Question 8

antagonist

Answer 8

block the functioning of neurotransmitter

ex: propranolol

Question 9

central nervous system

Answer 9

compromised of the brain and spinal cord

Question 10

peripheral nervous system

Answer 10

connects the central nervous system to the rest of the body

Question 11

somatic nervous system

Answer 11

part of the neurons system we have control over

Question 12

autonomatic nervous system

Answer 12

part we don’t have control over

Question 13

sympathetic nervous system

Answer 13

prepares our body for danger

Question 14

parasympathetic nervous system

Answer 14

brings our body back to neutral

Question 15

hindbrain

Answer 15

“medulla” regulating heart rate, circulation and resperation

Question 16

cerebellum

Answer 16

controls our fine motor skills

Question 17

pons

Answer 17

sends info to the cerebellum and the rest of the brain

Question 18

tectum

Answer 18

orients us in our environment

Question 19

tegmentum

Answer 19

orients us in our environment also responsible for movement and arousal

Question 20

cerebral cortex

Answer 20

most outer layer of your brain