Grade 9 Brain Dissection Worksheet
This worksheet covers the external and internal anatomy of the brain, suitable for a Grade 9 brain dissection lab.
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Grade 9 Brain Dissection Worksheet
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Date:
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Carefully read each question and provide your answers based on your knowledge and observations from the brain dissection. Use complete sentences where appropriate.
1. Which of the following is NOT a primary function of the cerebrum?
Voluntary movement
Balance and coordination
Thought and memory
Interpretation of sensory information
2. What is the tough, outer protective membrane covering the brain?
Pia mater
Arachnoid mater
Dura mater
Meninges
3. The folds on the surface of the cerebrum are called , and the grooves are called .
4. The is responsible for coordinating voluntary movements and maintaining posture and balance.
5. Observe the external surface of the brain. Describe the general appearance, including color and texture. What do the sulci and gyri suggest about the complexity of the brain?
6. After making a sagittal cut, differentiate between the white matter and gray matter you observe. What is the primary composition and function of each?
7. The brainstem controls vital involuntary functions such as breathing and heart rate.
True
False
8. The corpus callosum is a band of nerve fibers that connects the two hemispheres of the cerebrum.
True
False
Match the brain structure with its primary function.
9. Cerebellum
a. Relays sensory information to the cerebral cortex
10. Thalamus
b. Regulates body temperature, hunger, and thirst
11. Hypothalamus
c. Coordinates voluntary movements and balance
12. What was the most surprising observation you made during the brain dissection? How did this dissection enhance your understanding of the brain's complexity and functions?
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