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The Human Nervous System

An 8th-grade science worksheet covering the basic structures and functions of the human nervous system, including neurons, brain parts, and common associated conditions.

Grade 8 Science BiologyNervous System
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Standards

MS-LS1-8

Topics

sciencebiologynervous systemgrade 8
7 sections · Free to use · Printable
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The Human Nervous System

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Read each question carefully and answer to the best of your ability. Use the provided image to help you answer questions where indicated.

Observe the diagram below of the human nervous system.

Human Nervous System Diagram

1. Which part of the nervous system is primarily responsible for processing information and making decisions?

a

Peripheral Nervous System

b

Central Nervous System

c

Autonomic Nervous System

d

Somatic Nervous System

2. What is the primary function of a neuron?

a

To provide structural support to the body

b

To transmit electrical and chemical signals

c

To produce hormones

d

To transport oxygen

3. The brain and spinal cord make up the   Nervous System.

4. The specialized cells that transmit nerve impulses are called  .

5. The part of the brain responsible for balance and coordination is the  .

6. Briefly describe the role of the peripheral nervous system.

7. Explain the difference between a sensory neuron and a motor neuron.

8. The cerebrum is the largest part of the brain and is responsible for voluntary actions.

T

True

F

False

9. Reflex actions involve direct communication between sensory and motor neurons, bypassing the brain.

T

True

F

False