Spinal Cord and Nerves Worksheet
Explore the structure and function of the spinal cord and nerves, key components of the human nervous system, for Grade 7 Science.
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Spinal Cord and Nerves
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Read each question carefully and answer to the best of your ability. Use the provided image of the human nervous system to help you answer some questions.
The Human Nervous System
1. Which part of the nervous system is primarily responsible for transmitting signals between the brain and the rest of the body?
Brain
Spinal Cord
Nerves
Neurons
2. What is the primary function of nerves?
Pump blood
Carry electrical impulses
Digest food
Filter waste
3. The spinal cord is protected by the .
4. Nerves that carry signals from the brain and spinal cord to the muscles are called nerves.
5. The central nervous system consists of the brain and the .
6. Sensory nerves transmit signals from the body to the brain.
True
False
7. The spinal cord only carries signals that result in voluntary movements.
True
False
8. Describe the main function of the spinal cord in the human body.
9. Explain the difference between sensory nerves and motor nerves.
Match each term on the left with its definition on the right.
10. Neuron
a. Bundle of nerve fibers
11. Nerve
b. Basic unit of the nervous system
12. Reflex
c. Involuntary action
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