Part one
Once the thirst hub situated in the lateral hypothalamus informs the body of dehydration, it will react by stimulating drinking behavior. The brain sends sensory messages to appropriate muscles to lift the glass of water for drinking purposes. Impulses arise from the cerebral motor compound of the brain. The impulses then move via the corticospinal tract1, which traverses via the midbrain, the pons and the medulla until it departs from the skull via the occipital foramen and goes into the spinal cord. From the spinal cord, the impulse journeys through explicit nerves that branch outwardly on the spinal column ...
