<human>: What are the most interesting facts about the human brain?
<bot>: 
1. The human brain is made up of 100 billion neurons and 1 quadrillion connections between them.
2. Neurons are connected to each other by synapses, which allow for communication between neurons.
3. Each neuron can have up to 10,000 synaptic connections.
4. There are more than 200 types of neurotransmitters that help facilitate communication between neurons.
5. The brain has a network of pathways that connect different parts of the brain together.
6. The hippocampus is responsible for memory formation and storage.
7. The prefrontal cortex is responsible for planning and decision making.
8. The cerebellum helps control muscle movement.