Neural and Hormonal Systems

Question 1

*Myelin Sheath

Answer 1

Specialized cells that are wrapped around the axon to help transmit message faster

Question 2

*Action Potential

Answer 2

Electro-chemical impulse that travels from the cell body down to the end of the axon

Question 3

*Synapse

Answer 3

Junction between 2 neurons (impulses are transmitted across synapse via neurotransmitters)

Question 4

*Neurotransmitters

Answer 4

Chemical messengers that travel across synapse from one neuron to receptors on the next cell

Question 5

*Endorphins

Answer 5

reduce pain and promote pleasure

Question 6

*Dopamine

Answer 6

affects neurons involved in voluntary movement, reward, learning, memory

Question 7

*Serotonin

Answer 7

affects neurons involved in sleep, appetite, mood

Question 8

*Epinephrine

Answer 8

involved in stress response

Question 9

*Sympathetic nervous systems

Answer 9

increases physiological arousal (flight or fight)

Question 10

*Parasympathetic nervous systems

Answer 10

decreases arousal (Rest and Digest)