In mammals,the sympathetic nerves originate f | vedclass

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(C) The autonomic nervous system is divided into the sympathetic and parasympathetic nervous systems.$1$. The sympathetic nervous system originates fr

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Thoraco-lumbar

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(C) The autonomic nervous system is divided into the sympathetic and parasympathetic nervous systems.$1$. The sympathetic nervous system originates from the thoraco-lumbar region of the spinal cord,specifically from the $T_1$ to $L_2$ segments.$2$. The parasympathetic nervous system originates from the cranial nerves $(III, VII, IX, X)$ and the sacral region $(S_2-S_4)$ of the spinal cord.Therefore,the sympathetic nerves originate from the thoraco-lumbar region.

In mammals,the sympathetic nerves originate from the ........ region.

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