A neural cable extending from the brain down through the backbone and enclosed in the vertebral column is called:
Correct answer: B. Spinal cord
- A. Meninges
- B. Spinal cord
- C. Axon
- D. Brainstem
- E. Hindbrain
Explanation
The spinal cord is a long, cylindrical bundle of nerve fibers and supporting cells that extends from the brainstem (specifically the medulla oblongata) down through the vertebral column. It serves as the main communication pathway between the brain and the rest of the body. The spinal cord is a crucial component of the central nervous system (CNS), along with the brain, and it is protected by the vertebrae, the meninges, and cerebrospinal fluid (CSF).
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About Coordination and Control
Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.
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