Honors Nervous System Quiz 2025

1. What is the main purpose of the nervous system?

• Fight off diseases
• Distribute energy throughout the body
• Break down food
• As an instrument to communicate throughout the body

2. You have 3 things that are needed for the nervous system to work. Select the 3.

• Brain
• Network of nerves
• Spinal Cord
• Network of the Internet
• The heart

3. Sensory nerves send messages to the brain about...

• taste
• touch
• hear
• all of the above

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4. Which of the following is the system of nerves that people have direct control over?

• Synapsis
• Sensory Nerves
• Motor Nerves
• The Dendrites

5. What are dendrites?

• the main nerve
• branches off the main cell body
• the cells that move through your body
• the branches from the brain to your feet

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6. The signals can only go ________________________.

• up the body towards the skull
• one way
• left to right
• right to left

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7. Neurons are classified by the

• direction in which they carry impulses.
• amount of metabolic activity that takes place.
• number of dendrites that branch out.
• controls breathing

8. What can nerves be compared to?

• A car
• A puzzle
• Wires
• A straw

9. What does the nervous system help with?

• Communication with your hands
• Communication with your body
• Communication with your feet and hands only
• Communication among your brain to other parts of your brain

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10. What do the brain and spinal cord make up?

• Optic nervous system
• Central nervous system
• Spinal cord
• The brain and the spinal cord

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