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Understanding Neurons and Nerves

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

What are nerves primarily composed of?

a)

Muscles

b)

Neurons

c)

Bones

d)

Blood cells

2.

What is the main function of sensory neurons?

a)

To send signals to muscles

b)

To pass signals to the brain

c)

To insulate axons

d)

To produce myelin

3.

What is the role of motor neurons?

a)

To send signals to the brain

b)

To send signals to muscles

c)

To receive signals from dendrites

d)

To produce neurotransmitters

4.

What part of the neuron receives signals?

a)

Axon

b)

Myelin

c)

Dendrites

d)

Cell body

5.

What is the function of myelin in neurons?

a)

To slow down signal transmission

b)

To act as an insulator

c)

To produce neurotransmitters

d)

To connect neurons

6.

What happens when myelin is damaged?

a)

Signals are sent more quickly

b)

Neurons become stronger

c)

It becomes harder for neurons to carry messages

d)

Dendrites grow longer

7.

Through which part of the neuron does the signal travel after the cell body?

a)

Dendrites

b)

Axon

c)

Myelin

d)

Synapse

8.

What analogy is used to describe the function of myelin?

a)

A two-way highway

b)

Plastic insulation around wires

c)

A bridge connecting neurons

d)

A sponge absorbing water

9.

What is the final destination of a signal traveling through a neuron?

a)

The cell body

b)

The axon

c)

The dendrites of the next neuron

d)

The myelin sheath

10.

What is the primary role of the central nervous system in relation to nerves?

a)

To produce myelin

b)

To act as a one-way street for signals

c)

To send and receive signals

d)

To store signals