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Dennis_Churaev [7]
4 years ago
12

Which of these curvatures on the spine are not present at birth but develop later?

Biology
1 answer:
Anna11 [10]4 years ago
7 0
The answers are<span> cervical and lumbar curves
They are also called as secondary </span>curvatures<span> because they </span>develop in the first 2 years. They developed through these explanation: <span>These are the cervical </span>curvature<span>, which </span>develops<span> first with infant head lifting and the lumbar </span>curvature<span>, which </span>develops<span> next sitting up.</span>
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