Science & Nature · 2
Approximately how many neurons (nerve cells) are in the human brain?
Answer
86 billion
The human brain contains approximately 86 billion neurons. These neurons communicate via trillions of connections called synapses, enabling thought, memory, and consciousness.
💡 Did you know?
The brain accounts for only 2% of body weight but uses about 20% of the body's energy to power its vast neural network.
Other options people guess
- 10 billion
- 1 billion
- 500 billion
Topics
- brain
- neurons
- neuroscience
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What is the name of the gap between two neurons called?
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