Nervous System

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

What is the purpose of the myelin sheath on the axon?

• To maintain temperature
• To improve conductivity
• To protect the axon
• To release neurotransmitters

Sensory neurons carry nerve impulses from the sense organs and internal organs (like your stomach) to the

• peripheral nervous system (PNS)
• central nervous system (CNS)
• muscles
• sense organs

Tags

NGSS.MS-LS1-8

a signal molecule that transmits nerve impulses across synapses

• neuron
• neurotransmitter
• nerve
• action potential

Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called __________.

• myelin sheath
• axon
• threshold
• synapse

The part of the neuron that takes information away from the cell body is called a(n) _____________.

• dendrite
• axon
• cell body
• Schwann cell

Tags

NGSS.MS-LS1-2

Label the Neuron-What does the letter "H" represent?

• Myelin Sheath
• Axon
• Axon Terminal
• Dendrite

Tags

NGSS.MS-LS1-3

Label the Neuron-What does the letter "C" represent?

• Dendrite
• Axon
• Axon Terminal
• Cell Body

Tags

NGSS.MS-LS1-2

Label the Neuron-What does the letter "A" represent?

• Dendrite
• Axon
• Myelin Sheath
• Node of Ranvier

Tags

NGSS.MS-LS1-2

These carry signals from tissues and organs to the brain and spinal cord

• Sensory Neurons
• Motor Neurons
• Efferent Neurons
• Glial Cells

Tags

NGSS.MS-LS1-8