Guide Note
The human brain is a highly complex organ that controls the whole human body, including the central nervous system, our behavior, thoughts and biology.
Fast Facts
- An adult brain weighs about three pounds
- Consists of over 100 billion neurons
- Is composed of 77-78% water
- Consumes 20% of the oxygen we breath and 20% of the energy we consume
- Divided into four segments: frontal lobe, parietal lobe, temporal lobe and occipital lobe
Main Parts of the Brain
- Neurons: Nerve cells
- Cerebrum: Controls movement, memory, reason
- Cerebellum: Controls Balance, movement, coordination
- Brain Stem: Controls breathing, digestion, circulation
- Pituitary Gland: Produced and releases hormones
- Hypothalamus: Controls brain temperature
Brain Health
Several factors impact brain health, including nutrition, alcohol, age, trauma and use of the brain.
Brain Diseases
Some major brain diseases are: stroke, epilepsy, brain tumor, Dementia, Parkinson's Disease, Huntington's Disease, Alzheimer's Disease and Encephalitis.
Related Pages on Mahalo
Neuroscience | Neurons | Alzheimer's Disease | Brain Cancer | Stroke | Epilepsy | Tumor | Dementia | Parkinson's Disease | Huntington's Disease | Encephalitis | Central Nervous System
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