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Gnesinka [82]
3 years ago
9

What is the chemical groups into which can be divided

Biology
1 answer:
notka56 [123]3 years ago
3 0

Answer:

Hormones

Explanation:

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The 31 spinal nerve pairs are organized geographically by spinal region. There are eight pairs of cervical nerves (C1-C8), twelve pairs of thoracic nerves (T1-T12), five pairs of lumbar nerves (L1-L5), five pairs of sacral (S1-S5), and one pair of coccygeal nerves.

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