Unit 3: Neurons

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

• Axon
• Dendrite
• Axon Terminal
• Cell Body

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

• Dendrite
• Axon
• Myelin Sheath
• Node of Ranvier

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

• Schwann Cell
• Node of Ranvier
• Axon Terminal
• Myelin Sheath

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

• myelin sheath
• axon
• threshold
• synapse

What is the insulating membrane that surrounds parts of the axon that helps the impulses travel faster called?

• Axon
• Dendrites
• Node of Ranvier
• Myelin Sheath

The part of the neuron that receives messages from other neurons

• axon
• dendrite
• cell body
• Schwann cell

Which nervous system contains sensory and motor neurons that carry information between the central nervous system and the rest of the body?

• Autonomic Nervous System
• Somatic Nervous System
• Peripheral Nervous System
• Central Nervous System

What is the main control center of the body that contains the brain and spinal cord?

• Peripheral nervous system
• Central nervous system
• Autonomic nervous system
• Somatic nervous system

How many neurons does a human brain have (approximately)?

• 30,000
• 1 Million
• 100 Million
• 100 Billion

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

• myelin sheath
• axon
• threshold
• synapse