It looks like you've uploaded a worksheet titled
"The Brain" that includes 10 fill-in-the-blank questions related to brain anatomy and function. The instructions say: *"Listen to the song and answer these questions from it."* Since I can't hear or access any audio (like a song), I’ll provide the
correct scientific answers based on general knowledge about the human brain.
Here are the completed answers with explanations:
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The Brain – Answer Key
1.
Your brain is part of the _________ nervous system.
✔ Central
*Explanation:* The central nervous system (CNS) consists of the brain and spinal cord. The brain is the main control center of the CNS.
2.
Your brain weighs about ___ pounds.
✔ 3
*Explanation:* On average, an adult human brain weighs about 3 pounds (approximately 1.4 kilograms).
3.
The _________ controls your thinking and your muscles.
✔ Cerebrum
*Explanation:* The cerebrum is the largest part of the brain and is responsible for higher functions like thought, reasoning, memory, and voluntary muscle control.
4.
The ________ cerebrum controls the right side of your body.
✔ Left
*Explanation:* The left hemisphere of the cerebrum controls the right side of the body due to the brain's contralateral organization.
5.
The ________ cerebrum controls the left side of your body.
✔ Right
*Explanation:* Similarly, the right hemisphere controls the left side of the body.
6.
The cerebellum controls your ________ and your ________.
✔ Balance and
Coordination
*Explanation:* The cerebellum is located at the back of the brain and helps coordinate voluntary movements, balance, and motor control.
7.
Your _______________ is at the bottom of your brain.
✔ Brain stem
*Explanation:* The brain stem connects the brain to the spinal cord and is located at the base (bottom) of the brain.
8.
Your brain stem maintains vital control of your heart and ________.
✔ Breathing
*Explanation:* The brain stem regulates essential life functions such as heartbeat, breathing, blood pressure, and sleep cycles.
9.
Your pineal gland produces ________, which can help you sleep at night.
✔ Melatonin
*Explanation:* The pineal gland releases melatonin, a hormone that regulates sleep-wake cycles (circadian rhythm), especially in response to darkness.
10.
The brain is in the _____________.
✔ Skull
*Explanation:* The brain is protected inside the skull, a bony structure that surrounds and shields it.
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Summary of Answers:
1. Central
2. 3
3. Cerebrum
4. Left
5. Right
6. Balance, Coordination
7. Brain stem
8. Breathing
9. Melatonin
10. Skull
✔ These answers are scientifically accurate and would be appropriate for a middle school or early high school science lesson on the brain.
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