Animal KingdomHard
Question
Sympthetic nerves in mammals arise from
Options
A.sacral region
B.cervical region
C.3rd, 7th, 9th, 10th, cranial nerves
D.thoracico-lunbar region
Solution
Sympathetic nerves in mammals arise from thoracico-lumbar region. Sympathetic nerves system is represented by a chain of 21 synathmpathetic ganglio on either side of spinal cord. It receives preganglionc sympatheticfiber from the spinal cord which make these exit along with thoracic and lumbar region.
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