Nervous System Biology Worksheet
A Grade 12 Biology worksheet covering the structure and function of the human nervous system, including neurons, synapses, and major divisions.
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Nervous System Biology Worksheet
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Read each question carefully and answer to the best of your ability. Refer to your notes and textbook as needed. Good luck!
1. Label the major parts of the human nervous system shown in the diagram below.
2. Which of the following is the primary function of the myelin sheath?
To produce neurotransmitters
To increase the speed of nerve impulse transmission
To regulate blood flow in the brain
To provide structural support to neurons
3. The two main divisions of the nervous system are the nervous system and the nervous system.
4. Neurotransmitters are chemical messengers that transmit signals across a .
5. The cerebellum is primarily responsible for higher cognitive functions like memory and language.
True
False
6. Match the nervous system component with its primary function.
a. Axon
i. Receives signals from other neurons
b. Dendrite
ii. Transmits signals away from the cell body
c. Cell Body
iii. Contains the nucleus and controls cell activity
7. Briefly explain the difference between the sympathetic and parasympathetic nervous systems.