A) 10 pairs
B) 12 pairs
C) 43 pairs
D) 31 pairs
Correct Answer: D
Solution :
Man has 31 pairs of spinal nerves. These are [a] Cervical ? 8 pairs in neck [b] Thoracic ? 12 pairs in thorax [c] Lumbar? 5 pairs in upper part of abdomen [d] Sacral ? 5 pairs in lower part of abdomen [e] Coccygeal ? tail nerve. Frog has 10 pairs of spinal nerves, while rabbit has 37 pairs of spinal nerves.
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