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Having Trouble Sleeping
Central Nervous System
The two main organs of the CNS (central nervous system) are the brain and spinal cord.
The brain processes and interprets sensory information sent to and from the spinal cord (such as pain).
The central nervous system (CNS) is anatomically classified as the processing center for the nervous system. The CNS acts upon information that is sent and received from the peripheral nervous system (the peripheral nervous system connects organs and structures of the body via nerves leading to and from the brain and spine).
The brain-CNS is divided into three main sections: the Forebrain, the Brainstem and the Hindbrain.
Forebrain:
The forebrain processes sensory information, thinking, perceiving, producing and understanding language whilst controlling motor functions (movement).
Within the forebrain are important structures such as the thalamus and hypothalamus which control functions such as relaying sensory information, motor function (movement) control and some autonomic functions. The forebrain contains the largest part of the brain, the cerebrum, and is the part of the CNS which processes almost all cerebral information.
Midbrain:
The midbrain and the hindbrain make up the brainstem. The midbrain connects the hindbrain and the forebrain. The midbrain region of the brain is involved in hearing (auditory) and seeing (visual) responses as well as (movement) motor functions.
Hindbrain:
The hindbrain extends from the spinal cord and contains structures important to help balance, equilibrium, movement and coordination known as the pons, cerebellum which are also important for the part they play in relaying sensory information.
Also contained in the hindbrain is the medulla oblongata which controls autonomic functions such as breathing, heart rate, and digestion.
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The Spinal Cord:
The spinal cord is a cylindrical bundle of nerve fibers connected, and extends down from the brain. The spinal cord runs down the center of the protective bones that make up the spine (spinal column). The spinal column extends from below the skull to the neck, the lower back with spinal cord nerves extending out from small holes at the side of the spinal bones, to spread throughout the body 
transmitting and collecting information from the whole body, and body organs (spleen, liver, pancreas, heart, lungs etc.). The spinal cord nerves are grouped into two bundles which take separate pathways:
1. Ascending nerves carry sensory information from the body to the brain. Energetically Yang
2. Descending nerves send information associate with motor functions from the brain and the rest of the body. Energetically Yin
Next Hormones
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