Organisation of the Nervous System

1

What are the two parts of the Nervous System?

1

What makes up the CNS?

1

What makes up the PNS?

1

glial cells outnumber neurons by about 50 to 1

1

what two types of cells make up the brain?

1

what do neurons do?

1

what do glial cells do?

1

Label this diagram

dendrite

cell membrane

nucleus

myelin sheath

node of ranvier

schwann cell

axon terminal

axon

cell body

1

what is true for dendrites?

1

where do the signals from one neuron communicate with other neurons?

1

neurons are replaceable and can divide

1

Are all cells myelinated?

1

what is the purpose of myelin?

1

glial cells do not propagate neural impulses but provide extremely important supportive and facilitative functions to the nervous system

1

select the 4 types of neuroglial cells in the CNS

1

Which glial cell supports and regulates ions?

1

what do microglial cells do?

1

Oligogendrocytes wrap and insulate by forming a myelin sheath within the CNS. Which glial cells have this function in the PNS?

1

satellite cells surround neuron cell bodies for support. Which glial cell does a similar function in the CNS?

1

sensory neurons:

1

motor neurons:

1

Interneurons:

Biology Test sobre Organisation of the Nervous System , creado por Lisa Mcdonald el 30/11/2021.

Organisation of the Nervous System

What are the two parts of the Nervous System?

What makes up the CNS?

What makes up the PNS?

glial cells outnumber neurons by about 50 to 1

what two types of cells make up the brain?

what do neurons do?

what do glial cells do?

Label this diagram

what is true for dendrites?

where do the signals from one neuron communicate with other neurons?

neurons are replaceable and can divide

Are all cells myelinated?

what is the purpose of myelin?

glial cells do not propagate neural impulses but provide extremely important supportive and facilitative functions to the nervous system

select the 4 types of neuroglial cells in the CNS

Which glial cell supports and regulates ions?

what do microglial cells do?

Oligogendrocytes wrap and insulate by forming a myelin sheath within the CNS. Which glial cells have this function in the PNS?

satellite cells surround neuron cell bodies for support. Which glial cell does a similar function in the CNS?

sensory neurons: