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The nervous system can be divided into the ​ (a)   (brain and spinal cord) and the ​ (b)   (nerves and ganglia). Cells of the nervous system are ​ (c)   , which conduct ​ (d)   , and ​ (e)   , which support and protect neurons.

• central nervous system
• peripheral nervous system
• neurons
• action potentials
• neuroglia

Tags

NGSS.MS-LS1-3

4. 5. Subdivision of the efferent division that transmits action potentials to smooth muscle, cardiac muscle, or glands; includes sympathetic and parasympathetic divisions.

• peripheral nervous system

• Transmits action potentials from sensory organs to CNS

• autonomic nervous system

• Subdivision of the efferent division that transmits action potentials to smooth muscle, cardiac muscle, or glands; includes sympathetic and parasympathetic divisions.

• somatic nervous system

• Consists of the brain and spinal cord

• central nervous system

• Subdivision of the efferent division that transmits action potentials from the CNS to skeletal muscle only

• afferent division

• Nerves and ganglia outside the CNS

Match the following.

• axon

• Usually receives information and transmits it to the cell body.

• collateral axon

• Insulating layer of cells around an axon.

• cell body

• Branch of an axon.

• myelin sheath

• Location of the nucleus and source of information for protein synthesis.

• dendrite

• Long cell process from the cell body; conducts action potentials.

Tags

NGSS.MS-LS1-3

What is the structure labeled 1?

c

dendrites

axon terminals

nucleus

cell body

axon

collateral axon

schwann cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-1

What is the structure labeled 2?

a

collateral axon

axon

schwann cell

axon terminals

nucleus

cell body

dendrites

Tags

NGSS.MS-LS1-2

What is the structure labeled 3?

b

axon terminals

collateral axon

axon

dendrites

nucleus

schwann cell

cell body

Tags

NGSS.MS-LS1-2

What is the structure labeled 7?

f

cell body

collateral axon

axon terminals

nucleus

axon

schwann cell

dendrites

Tags

NGSS.MS-LS1-2

What is the structure labeled 6?

g

cell body

schwann cell

dendrites

axon

nucleus

axon terminals

collateral axon

Tags

NGSS.MS-LS1-2

What is the structure labeled 4?

d

dendrites

axon

collateral axon

nucleus

axon terminals

cell body

schwann cell

Tags

NGSS.MS-LS1-2

What is the structure labeled 5?

e

cell body

dendrites

nucleus

schwann cell

axon

collateral axon

axon terminals

Tags

NGSS.MS-LS1-2