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What are the Olmec heads? Describe them. About how many have been found and at what sites? What is their significance? What does the ability to produce these sculptures imply about Olmec society?
Brain and Spinal Cord
Central components of the nervous system, with the brain responsible for processing information and the spinal cord for transmitting information to and from the brain.
Efferent Neurons
Nerve cells that carry neural impulses away from the central nervous system toward muscles or glands to trigger a response or action.
Afferent Neurons
Sensory neurons that relay information from the sense organs toward the brain.
Nerve Impulses
The electrical signals that travel along the nerves, enabling communication between the brain and the rest of the body.
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