Brain
The body’s master organ: ~86 billion neurons orchestrating perception, movement, memory, and consciousness.
Core Characteristics
- Divided into cerebrum, cerebellum, and brainstem.
- Consumes ~20% of the body’s energy at 2% of its mass.
- Cortical lobes specialize: frontal, parietal, temporal, occipital.
Related Concepts & Sources
Central Nervous System, Midbrain, Neurons