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Flashcards in chapter 2 Deck (20)
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1

neurons

communicated with our body

2

dendrites

receives the signal

3

cell body

"soma" hits the axon hillock

4

axon hillock

decides whether a signal goes through

5

nodes of ranvier

parts of the axon not cover by the myelin sheath

6

terminal buttons

small knobs at the end of an axon

7

agonist drugs

increase the action of neurotransmitter
ex: zolaft

8

antagonist

block the functioning of neurotransmitter
ex: propranolol

9

central nervous system

compromised of the brain and spinal cord

10

peripheral nervous system

connects the central nervous system to the rest of the body

11

somatic nervous system

part of the neurons system we have control over

12

autonomatic nervous system

part we don't have control over

13

sympathetic nervous system

prepares our body for danger

14

parasympathetic nervous system

brings our body back to neutral

15

hindbrain

"medulla" regulating heart rate, circulation and resperation

16

cerebellum

controls our fine motor skills

17

pons

sends info to the cerebellum and the rest of the brain

18

tectum

orients us in our environment

19

tegmentum

orients us in our environment also responsible for movement and arousal

20

cerebral cortex

most outer layer of your brain