Unit 7 - Nervous Sytem

Question 1

Which part of a neuron contains the nucleus?

Answer 1

The “soma” aka the cell body

Question 2

Describe dendrites

Answer 2

Ends of the neuron near the nucleus end that receive the information

Question 3

Describe axon

Answer 3

The pathway in the middle of the neuron on which the info travels

Question 4

Describe myelin sheath

Answer 4

An outer fatty coating on each piece of the axon used for insulation and to separate ion channels

Question 5

Describe the Node of Ranvier

Answer 5

The little space between each myelin separation

Question 6

Describe terminals

Answer 6

Ends of the neuron near the side opposite of the nucleus side that sends of the neurotransmitters and info

Question 7

What are glial cells?

Answer 7

Cells that are not neurons but they provide supporting actions for neurons to function

Question 8

What is the function of the glial cells known as Astrocytes

Answer 8

structural support for neurons

Question 9

What is the function of the glial cells known as Oligodendrocytes

Answer 9

form myelin to insulate the neuron

Question 10

What is the function of the glial cells known as Microglia

Answer 10

prevent cell infection, remove debris/waste

Question 11

What is the function of the glial cells known as Ependymal cells

Answer 11

produce and secrete cerebrospinal fluid

Question 12

What are the two types of glial cells that belong to the peripheral nervous system only

Answer 12

Satellite and Schwann cells