The number of cervical vertebrae are _____ in almost all mammals including human beings.
A
8
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B
5
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C
6
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D
7
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Solution
The correct option is D 7 The number of cervical vertebrae are seven in almost all mammals including human beings. It consists of 7 bones, from top to bottom, C1, C2, C3, C4, C5, C6, and C7. The atlas (C1) and axis (C2) are the two topmost vertebrae.