The butterfly-shaped central part of the spinal cord is composed of a special structure known as:
Correct answer: A. Grey Matter
- A. Grey Matter
- B. White Matter
- C. Both A and B
- D. Neuroglial Protein
Explanation
The central, butterfly-shaped part of the spinal cord is the grey matter, which is primarily composed of neuron cell bodies, dendrites, and unmyelinated axons. This grey matter is surrounded by white matter, which contains myelinated axons that transmit signals up and down the spinal cord.
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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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