types of tissue cells in nervous syst.

Question 1

Neuroglia

Answer 1

support ▪ nourish ▪ protect

Question 2

Neurons

Answer 2

aka nerve cells

Question 3

Dendrite

Answer 3

input portion of neuron

Question 4

Axon

Answer 4

output portion of neuron

Question 5

Cell Body

Answer 5

contains the nucleus and other organelles

Question 6

Myelin

Answer 6

a multilayered lipid & protein coating that speeds up signal (‘action
potential’) conduction

Question 7

myelinated

Answer 7

(of a nerve fiber) coated in a myelin sheath

Question 8

demyelinated

Answer 8

when myelin, experiences damage

Question 9

Neuron

Answer 9

can respond to a stimulus and convert it to an action potential (AP)

Question 10

stimulus

Answer 10

any change in the environment (internal or external) that is strong
enough to stimulate an AP

Question 11

action potential

Answer 11

an electrical signal that travels along the cell membrane of a
neuron