- A Thermoregulation
- B Circadian rhythm of our body
- C Voluntary movements
- D Generates heartbeat
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Answer:
D
Explanation:
The brain is responsible for various important functions such as thermoregulation, controlling circadian rhythms, voluntary movements, and regulating the functioning of vital involuntary organs. However, generating the heartbeat is not a function of the brain. The heart has its own electrical system that regulates its contractions, independent of the brain's control.
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