Question

fill in the blank question
the fibers of each spinal nerve (except the first pair) connect to the spinal cord via two
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Explanation:

In the context of spinal nerves, each spinal nerve (except the first pair) connects to the spinal cord via two roots: the dorsal (sensory) root and the ventral (motor) root. This is a key anatomical concept in the study of the nervous system (within the subfield of Biology, a Natural Science subfield), where the structure and connection of spinal nerves to the spinal cord are described using these roots.

Answer:

roots